Protesters, including student, who barricaded themselves inside Hong Kong’s universities have tried to turn the campuses into armed camps, resorting to medieval weapons to stop police from entering the grounds.

Their weapons include bows and arrows, catapults and hundreds of gasoline bombs stacked up to ramparts — often built by the students.

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In this Tuesday, Nov. 12, 2019, file photo, a student holds a molotov cocktail during clashes at the Chinese University in Hong Kong. Protesters who barricaded themselves inside Hong Kong’s universities have tried to turn the campuses into armed camps, resorting to medieval weapons to stop police from entering the grounds. Their weapons include bows and arrows, catapults and hundreds of gasoline bombs stacked up to ramparts - often built by the students. (AP PhotoKin Cheung, File)

Protesters, including student, who barricaded themselves inside Hong Kong’s universities have tried to turn the campuses into armed camps, resorting to medieval weapons to stop police from entering the grounds.

In this Wednesday, Nov. 13, 2019, file photo, students make molotov cocktails at the Chinese University in Hong Kong. Protesters who barricaded themselves inside Hong Kong’s universities have tried to turn the campuses into armed camps, resorting to medieval weapons to stop police from entering the grounds. Their weapons include bows and arrows, catapults and hundreds of gasoline bombs stacked up to ramparts - often built by the students. (AP PhotoKin Cheung, File)

Protesters said they need the weapons to protect the campuses from police using tear gas, pepper spray and water cannons.

In this Wednesday, Nov. 13, 2019, file photo, students with their homemade gears take their position outside the Chinese University of Hong Kong, in Hong Kong. Protesters who barricaded themselves inside Hong Kong’s universities have tried to turn the campuses into armed camps, resorting to medieval weapons to stop police from entering the grounds. Their weapons include bows and arrows, catapults and hundreds of gasoline bombs stacked up to ramparts - often built by the students. (AP PhotoKin Cheung, File)

In this Wednesday, Nov. 13, 2019, file photo, students with their homemade gears take their position outside the Chinese University of Hong Kong, in Hong Kong. Protesters who barricaded themselves inside Hong Kong’s universities have tried to turn the campuses into armed camps, resorting to medieval weapons to stop police from entering the grounds. Their weapons include bows and arrows, catapults and hundreds of gasoline bombs stacked up to ramparts - often built by the students. (AP PhotoKin Cheung, File)

In this Thursday, Nov. 14, 2019, file photo, protesters practice firing bows and arrows at Hong Kong Polytechnic University in Hong Kong. Protesters who barricaded themselves inside Hong Kong’s universities have tried to turn the campuses into armed camps, resorting to medieval weapons to stop police from entering the grounds. Their weapons include bows and arrows, catapults and hundreds of gasoline bombs stacked up to ramparts - often built by the students. (AP PhotoKin Cheung, File)

In this Thursday, Nov. 14, 2019, file photo, protesters practice firing bows and arrows at Hong Kong Polytechnic University in Hong Kong. Protesters who barricaded themselves inside Hong Kong’s universities have tried to turn the campuses into armed camps, resorting to medieval weapons to stop police from entering the grounds. Their weapons include bows and arrows, catapults and hundreds of gasoline bombs stacked up to ramparts - often built by the students. (AP PhotoKin Cheung, File)

In this Wednesday, Nov. 13, 2019, file photo, with orange javelins behind them, protesters look out from a raised platform on a barricaded bridge which leads into the Chinese University of Hong Kong, in Hong Kong. Protesters who barricaded themselves inside Hong Kong’s universities have tried to turn the campuses into armed camps, resorting to medieval weapons to stop police from entering the grounds. Their weapons include bows and arrows, catapults and hundreds of gasoline bombs stacked up to ramparts - often built by the students. (AP PhotoNg Han Guan, File)

In this Wednesday, Nov. 13, 2019, file photo, with orange javelins behind them, protesters look out from a raised platform on a barricaded bridge which leads into the Chinese University of Hong Kong, in Hong Kong. Protesters who barricaded themselves inside Hong Kong’s universities have tried to turn the campuses into armed camps, resorting to medieval weapons to stop police from entering the grounds. Their weapons include bows and arrows, catapults and hundreds of gasoline bombs stacked up to ramparts - often built by the students. (AP PhotoNg Han Guan, File)

In this Wednesday, Nov. 13, 2019, file photo, protesters test a self-made catapult on the barricaded bridge which leads into the Chinese University of Hong Kong, in Hong Kong. Protesters who barricaded themselves inside Hong Kong’s universities have tried to turn the campuses into armed camps, resorting to medieval weapons to stop police from entering the grounds. Their weapons include bows and arrows, catapults and hundreds of gasoline bombs stacked up to ramparts - often built by the students. (AP PhotoNg Han Guan, File)

In this Wednesday, Nov. 13, 2019, file photo, protesters test a self-made catapult on the barricaded bridge which leads into the Chinese University of Hong Kong, in Hong Kong. Protesters who barricaded themselves inside Hong Kong’s universities have tried to turn the campuses into armed camps, resorting to medieval weapons to stop police from entering the grounds. Their weapons include bows and arrows, catapults and hundreds of gasoline bombs stacked up to ramparts - often built by the students. (AP PhotoNg Han Guan, File)

In this Thursday, Nov. 14, 2019, file photo, a protester smashes a streetlight near Hong Kong Polytechnic University in Hong Kong. Protesters who barricaded themselves inside Hong Kong’s universities have tried to turn the campuses into armed camps, resorting to medieval weapons to stop police from entering the grounds. Their weapons include bows and arrows, catapults and hundreds of gasoline bombs stacked up to ramparts - often built by the students. (AP PhotoKin Cheung, File)

In this Thursday, Nov. 14, 2019, file photo, a protester smashes a streetlight near Hong Kong Polytechnic University in Hong Kong. Protesters who barricaded themselves inside Hong Kong’s universities have tried to turn the campuses into armed camps, resorting to medieval weapons to stop police from entering the grounds. Their weapons include bows and arrows, catapults and hundreds of gasoline bombs stacked up to ramparts - often built by the students. (AP PhotoKin Cheung, File)

In this Thursday, Nov. 14, 2019, file photo, protesters move bricks as they barricade a road near the Hong Kong Polytechnic University in Hong Kong. Protesters who barricaded themselves inside Hong Kong’s universities have tried to turn the campuses into armed camps, resorting to medieval weapons to stop police from entering the grounds. Their weapons include bows and arrows, catapults and hundreds of gasoline bombs stacked up to ramparts - often built by the students. (AP PhotoKin Cheung, File)

In this Thursday, Nov. 14, 2019, file photo, protesters move bricks as they barricade a road near the Hong Kong Polytechnic University in Hong Kong. Protesters who barricaded themselves inside Hong Kong’s universities have tried to turn the campuses into armed camps, resorting to medieval weapons to stop police from entering the grounds. Their weapons include bows and arrows, catapults and hundreds of gasoline bombs stacked up to ramparts - often built by the students. (AP PhotoKin Cheung, File)

In this Thursday, Nov. 14, 2019, file photo, a pro-democracy protester makes nail roadblocks inside the campus of the University of Hong Kong, early Thursday, Nov. 14, 2019. Protesters who barricaded themselves inside Hong Kong’s universities have tried to turn the campuses into armed camps, resorting to medieval weapons to stop police from entering the grounds. Their weapons include bows and arrows, catapults and hundreds of gasoline bombs stacked up to ramparts - often built by the students. (AP PhotoKin Cheung, File)

In this Thursday, Nov. 14, 2019, file photo, a pro-democracy protester makes nail roadblocks inside the campus of the University of Hong Kong, early Thursday, Nov. 14, 2019. Protesters who barricaded themselves inside Hong Kong’s universities have tried to turn the campuses into armed camps, resorting to medieval weapons to stop police from entering the grounds. Their weapons include bows and arrows, catapults and hundreds of gasoline bombs stacked up to ramparts - often built by the students. (AP PhotoKin Cheung, File)

Eggs filled with paint by protesters sit in containers at the Hong Kong Polytechnic University in Hong Kong, Friday, Nov. 15, 2019. Protesters who barricaded themselves inside Hong Kong’s universities have tried to turn the campuses into armed camps, resorting to medieval weapons to stop police from entering the grounds. Their weapons include bows and arrows, catapults and hundreds of gasoline bombs stacked up to ramparts - often built by the students. (AP PhotoKin Cheung)

Eggs filled with paint by protesters sit in containers at the Hong Kong Polytechnic University in Hong Kong, Friday, Nov. 15, 2019. Protesters who barricaded themselves inside Hong Kong’s universities have tried to turn the campuses into armed camps, resorting to medieval weapons to stop police from entering the grounds. Their weapons include bows and arrows, catapults and hundreds of gasoline bombs stacked up to ramparts - often built by the students. (AP PhotoKin Cheung)

A protester fills balloons with paint and water at the Hong Kong Polytechnic University in Hong Kong, Friday, Nov. 15, 2019. Protesters who barricaded themselves inside Hong Kong’s universities have tried to turn the campuses into armed camps, resorting to medieval weapons to stop police from entering the grounds. Their weapons include bows and arrows, catapults and hundreds of gasoline bombs stacked up to ramparts - often built by the students. (AP PhotoKin Cheung)

A protester fills balloons with paint and water at the Hong Kong Polytechnic University in Hong Kong, Friday, Nov. 15, 2019. Protesters who barricaded themselves inside Hong Kong’s universities have tried to turn the campuses into armed camps, resorting to medieval weapons to stop police from entering the grounds. Their weapons include bows and arrows, catapults and hundreds of gasoline bombs stacked up to ramparts - often built by the students. (AP PhotoKin Cheung)

The police have described many of the devices as lethal weapons and warned protesters they will be prosecuted if they are caught using them.

In this Tuesday, Nov. 12, 2019, file photo, a student holds a molotov cocktail during clashes at the Chinese University in Hong Kong. Protesters who barricaded themselves inside Hong Kong’s universities have tried to turn the campuses into armed camps, resorting to medieval weapons to stop police from entering the grounds. Their weapons include bows and arrows, catapults and hundreds of gasoline bombs stacked up to ramparts - often built by the students. (AP PhotoKin Cheung, File)

In this Tuesday, Nov. 12, 2019, file photo, a student holds a molotov cocktail during clashes at the Chinese University in Hong Kong. Protesters who barricaded themselves inside Hong Kong’s universities have tried to turn the campuses into armed camps, resorting to medieval weapons to stop police from entering the grounds. Their weapons include bows and arrows, catapults and hundreds of gasoline bombs stacked up to ramparts - often built by the students. (AP PhotoKin Cheung, File)

Protesters said they need the weapons to protect the campuses from police using tear gas, pepper spray and water cannons.

Now in their sixth month, the anti-government protests have grown increasingly violent even as they have shrunk in size, often causing chaos in the streets of the city of 7.5 million people.

In this Wednesday, Nov. 13, 2019, file photo, students make molotov cocktails at the Chinese University in Hong Kong. Protesters who barricaded themselves inside Hong Kong’s universities have tried to turn the campuses into armed camps, resorting to medieval weapons to stop police from entering the grounds. Their weapons include bows and arrows, catapults and hundreds of gasoline bombs stacked up to ramparts - often built by the students. (AP PhotoKin Cheung, File)

In this Wednesday, Nov. 13, 2019, file photo, students make molotov cocktails at the Chinese University in Hong Kong. Protesters who barricaded themselves inside Hong Kong’s universities have tried to turn the campuses into armed camps, resorting to medieval weapons to stop police from entering the grounds. Their weapons include bows and arrows, catapults and hundreds of gasoline bombs stacked up to ramparts - often built by the students. (AP PhotoKin Cheung, File)

In this Wednesday, Nov. 13, 2019, file photo, students with their homemade gears take their position outside the Chinese University of Hong Kong, in Hong Kong. Protesters who barricaded themselves inside Hong Kong’s universities have tried to turn the campuses into armed camps, resorting to medieval weapons to stop police from entering the grounds. Their weapons include bows and arrows, catapults and hundreds of gasoline bombs stacked up to ramparts - often built by the students. (AP PhotoKin Cheung, File)

In this Wednesday, Nov. 13, 2019, file photo, students with their homemade gears take their position outside the Chinese University of Hong Kong, in Hong Kong. Protesters who barricaded themselves inside Hong Kong’s universities have tried to turn the campuses into armed camps, resorting to medieval weapons to stop police from entering the grounds. Their weapons include bows and arrows, catapults and hundreds of gasoline bombs stacked up to ramparts - often built by the students. (AP PhotoKin Cheung, File)

In this Thursday, Nov. 14, 2019, file photo, protesters practice firing bows and arrows at Hong Kong Polytechnic University in Hong Kong. Protesters who barricaded themselves inside Hong Kong’s universities have tried to turn the campuses into armed camps, resorting to medieval weapons to stop police from entering the grounds. Their weapons include bows and arrows, catapults and hundreds of gasoline bombs stacked up to ramparts - often built by the students. (AP PhotoKin Cheung, File)

In this Thursday, Nov. 14, 2019, file photo, protesters practice firing bows and arrows at Hong Kong Polytechnic University in Hong Kong. Protesters who barricaded themselves inside Hong Kong’s universities have tried to turn the campuses into armed camps, resorting to medieval weapons to stop police from entering the grounds. Their weapons include bows and arrows, catapults and hundreds of gasoline bombs stacked up to ramparts - often built by the students. (AP PhotoKin Cheung, File)

In this Wednesday, Nov. 13, 2019, file photo, with orange javelins behind them, protesters look out from a raised platform on a barricaded bridge which leads into the Chinese University of Hong Kong, in Hong Kong. Protesters who barricaded themselves inside Hong Kong’s universities have tried to turn the campuses into armed camps, resorting to medieval weapons to stop police from entering the grounds. Their weapons include bows and arrows, catapults and hundreds of gasoline bombs stacked up to ramparts - often built by the students. (AP PhotoNg Han Guan, File)

In this Wednesday, Nov. 13, 2019, file photo, with orange javelins behind them, protesters look out from a raised platform on a barricaded bridge which leads into the Chinese University of Hong Kong, in Hong Kong. Protesters who barricaded themselves inside Hong Kong’s universities have tried to turn the campuses into armed camps, resorting to medieval weapons to stop police from entering the grounds. Their weapons include bows and arrows, catapults and hundreds of gasoline bombs stacked up to ramparts - often built by the students. (AP PhotoNg Han Guan, File)

In this Wednesday, Nov. 13, 2019, file photo, protesters test a self-made catapult on the barricaded bridge which leads into the Chinese University of Hong Kong, in Hong Kong. Protesters who barricaded themselves inside Hong Kong’s universities have tried to turn the campuses into armed camps, resorting to medieval weapons to stop police from entering the grounds. Their weapons include bows and arrows, catapults and hundreds of gasoline bombs stacked up to ramparts - often built by the students. (AP PhotoNg Han Guan, File)

In this Wednesday, Nov. 13, 2019, file photo, protesters test a self-made catapult on the barricaded bridge which leads into the Chinese University of Hong Kong, in Hong Kong. Protesters who barricaded themselves inside Hong Kong’s universities have tried to turn the campuses into armed camps, resorting to medieval weapons to stop police from entering the grounds. Their weapons include bows and arrows, catapults and hundreds of gasoline bombs stacked up to ramparts - often built by the students. (AP PhotoNg Han Guan, File)

In this Thursday, Nov. 14, 2019, file photo, a protester smashes a streetlight near Hong Kong Polytechnic University in Hong Kong. Protesters who barricaded themselves inside Hong Kong’s universities have tried to turn the campuses into armed camps, resorting to medieval weapons to stop police from entering the grounds. Their weapons include bows and arrows, catapults and hundreds of gasoline bombs stacked up to ramparts - often built by the students. (AP PhotoKin Cheung, File)

In this Thursday, Nov. 14, 2019, file photo, a protester smashes a streetlight near Hong Kong Polytechnic University in Hong Kong. Protesters who barricaded themselves inside Hong Kong’s universities have tried to turn the campuses into armed camps, resorting to medieval weapons to stop police from entering the grounds. Their weapons include bows and arrows, catapults and hundreds of gasoline bombs stacked up to ramparts - often built by the students. (AP PhotoKin Cheung, File)

In this Thursday, Nov. 14, 2019, file photo, protesters move bricks as they barricade a road near the Hong Kong Polytechnic University in Hong Kong. Protesters who barricaded themselves inside Hong Kong’s universities have tried to turn the campuses into armed camps, resorting to medieval weapons to stop police from entering the grounds. Their weapons include bows and arrows, catapults and hundreds of gasoline bombs stacked up to ramparts - often built by the students. (AP PhotoKin Cheung, File)

In this Thursday, Nov. 14, 2019, file photo, protesters move bricks as they barricade a road near the Hong Kong Polytechnic University in Hong Kong. Protesters who barricaded themselves inside Hong Kong’s universities have tried to turn the campuses into armed camps, resorting to medieval weapons to stop police from entering the grounds. Their weapons include bows and arrows, catapults and hundreds of gasoline bombs stacked up to ramparts - often built by the students. (AP PhotoKin Cheung, File)

In this Thursday, Nov. 14, 2019, file photo, a pro-democracy protester makes nail roadblocks inside the campus of the University of Hong Kong, early Thursday, Nov. 14, 2019. Protesters who barricaded themselves inside Hong Kong’s universities have tried to turn the campuses into armed camps, resorting to medieval weapons to stop police from entering the grounds. Their weapons include bows and arrows, catapults and hundreds of gasoline bombs stacked up to ramparts - often built by the students. (AP PhotoKin Cheung, File)

In this Thursday, Nov. 14, 2019, file photo, a pro-democracy protester makes nail roadblocks inside the campus of the University of Hong Kong, early Thursday, Nov. 14, 2019. Protesters who barricaded themselves inside Hong Kong’s universities have tried to turn the campuses into armed camps, resorting to medieval weapons to stop police from entering the grounds. Their weapons include bows and arrows, catapults and hundreds of gasoline bombs stacked up to ramparts - often built by the students. (AP PhotoKin Cheung, File)

Eggs filled with paint by protesters sit in containers at the Hong Kong Polytechnic University in Hong Kong, Friday, Nov. 15, 2019. Protesters who barricaded themselves inside Hong Kong’s universities have tried to turn the campuses into armed camps, resorting to medieval weapons to stop police from entering the grounds. Their weapons include bows and arrows, catapults and hundreds of gasoline bombs stacked up to ramparts - often built by the students. (AP PhotoKin Cheung)

Eggs filled with paint by protesters sit in containers at the Hong Kong Polytechnic University in Hong Kong, Friday, Nov. 15, 2019. Protesters who barricaded themselves inside Hong Kong’s universities have tried to turn the campuses into armed camps, resorting to medieval weapons to stop police from entering the grounds. Their weapons include bows and arrows, catapults and hundreds of gasoline bombs stacked up to ramparts - often built by the students. (AP PhotoKin Cheung)

A protester fills balloons with paint and water at the Hong Kong Polytechnic University in Hong Kong, Friday, Nov. 15, 2019. Protesters who barricaded themselves inside Hong Kong’s universities have tried to turn the campuses into armed camps, resorting to medieval weapons to stop police from entering the grounds. Their weapons include bows and arrows, catapults and hundreds of gasoline bombs stacked up to ramparts - often built by the students. (AP PhotoKin Cheung)

A protester fills balloons with paint and water at the Hong Kong Polytechnic University in Hong Kong, Friday, Nov. 15, 2019. Protesters who barricaded themselves inside Hong Kong’s universities have tried to turn the campuses into armed camps, resorting to medieval weapons to stop police from entering the grounds. Their weapons include bows and arrows, catapults and hundreds of gasoline bombs stacked up to ramparts - often built by the students. (AP PhotoKin Cheung)