An Israeli air raid in Gaza City killed at least seven Palestinians early Saturday in the deadliest single strike since the battle with Gaza's militant Hamas rulers erupted earlier this week. Both sides pressed for an advantage as cease-fire efforts gathered strength.

The latest outburst of violence began in Jerusalem and has spread across the region, with Jewish-Arab clashes and rioting in mixed cities of Israel. There were also widespread Palestinian protests Friday in the occupied West Bank, where Israeli forces shot and killed 11 people.

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A man inspects the damaged wall of a residential building after being hit by a rocket fired from the Gaza Strip in Ashkelon, Israel, Friday, May 14, 2021. Israeli artillery pounded northern Gaza early Friday in an attempt to destroy a vast network of militant tunnels inside the territory, the military said, bringing the front lines closer to dense civilian areas and paving the way for a potential ground invasion. (AP PhotoAriel Schalit)

An Israeli air raid in Gaza City killed at least seven Palestinians early Saturday in the deadliest single strike since the battle with Gaza's militant Hamas rulers erupted earlier this week. Both sides pressed for an advantage as cease-fire efforts gathered strength.

An Israeli soldier rest in an  Armored Personnel Carrier (APC) at a staging ground near the Israeli Gaza border, Friday, May 14, 2021. (AP PhotoTsafrir Abayov)

U.S. diplomat Hady Amr arrived in the region on Friday as part of Washington's efforts to de-escalate the conflict and the U.N. Security Council was set to meet Sunday. But Israel turned down an Egyptian proposal for a one-year truce that Gaza's militant Hamas rulers had accepted, an Egyptian official said Friday on condition of anonymity to discuss the negotiations.

Israeli soldiers with armored vehicles gather in a staging ground near the border with Gaza Strip, southern Israel, Friday, May 14, 2021. (AP PhotoTsafrir Abayov)

Said Alghoul, who lives nearby, said Israeli warplanes dropped at least three bombs on the home without warning residents in advance. “I could not endure and ran back to my home,” he said. Rescuers called a bulldozer to dig through the rubble for survivors or bodies.

Israeli soldiers with armored vehicles gather in a staging ground near the border with Gaza Strip, southern Israel, Friday, May 14, 2021. (AP PhotoTsafrir Abayov)

Lt. Col. Jonathan Conricus, a military spokesman, said the military aims to minimize collateral damage in striking military targets. But measures it takes in other strikes, such as warning shots to get civilians to leave, were not “feasible this time.”

Israeli soldiers with armored vehicles gather in a staging ground near the border with Gaza Strip, southern Israel, Friday, May 14, 2021. (AP PhotoTsafrir Abayov)

The U.N. said Gazans are experiencing daily power cuts of 8-12 hours and at least 230,000 have limited access to tap water. The impoverished and densely populated territory is home to 2 million Palestinians, most of them the descendants of refugees from what is now Israel.

Israeli soldiers load ammunition onto an Armored Personnel Carrier (APC) at a staging ground near the Israeli Gaza border, Friday, May 14, 2021. (AP PhotoTsafrir Abayov)

In east Jerusalem, online video showed young Jewish nationalists firing pistols as they traded volleys of stones with Palestinians in Sheikh Jarrah, which became a flashpoint for tensions over attempts by settlers to forcibly evict a number of Palestinian families from their homes.

Smoke rises following Israeli airstrikes on a building in Gaza City, Friday, May 14, 2021. (AP PhotoHatem Moussa)

Hamas fired rockets toward Jerusalem late Monday, in an apparent attempt to present itself as the champion of the protesters. In the conflict that spiraled from there, Israel says it wants to inflict as much damage as it can on Hamas’ military infrastructure in Gaza.

Rockets are launched from Gaza Strip to Israel, Friday, May 14, 2021. (AP PhotoHatem Moussa)

Rockets are launched from Gaza Strip to Israel, Friday, May 14, 2021. (AP PhotoHatem Moussa)

Rockets are launched from Gaza Strip to Israel, Friday, May 14, 2021. (AP PhotoHatem Moussa)

Rockets are launched from Gaza Strip to Israel, Friday, May 14, 2021. (AP PhotoHatem Moussa)

Rockets are launched from Gaza Strip to Israel, Friday, May 14, 2021. (AP PhotoHatem Moussa)

Rockets are launched from Gaza Strip to Israel, Friday, May 14, 2021. (AP PhotoHatem Moussa)

A Hezbollah supporter holds an Arabic placard that reads:"Jerusalem for us," during a protest in solidarity with Palestinians amid an escalating Israeli military campaign in Gaza, on the Lebanese-Israeli border in front of the Israeli settlement of Metula, near the southern village of Kafr Kila, Lebanon, Friday, May 14, 2021.  (AP PhotoMohammed Zaatari)

A Hezbollah supporter holds an Arabic placard that reads:"Jerusalem for us," during a protest in solidarity with Palestinians amid an escalating Israeli military campaign in Gaza, on the Lebanese-Israeli border in front of the Israeli settlement of Metula, near the southern village of Kafr Kila, Lebanon, Friday, May 14, 2021. (AP PhotoMohammed Zaatari)

The spiraling violence has raised fears of a new Palestinian “intifada,” or uprising at a time when there have been no peace talks in years. Palestinians were set to mark Nakba day Saturday, when they commemorate the estimated 700,000 people who fled or were driven from their homes in what is now Israel during the 1948 war surrounding its creation, raising the possibility of more unrest.

A man inspects the damaged wall of a residential building after being hit by a rocket fired from the Gaza Strip in Ashkelon, Israel, Friday, May 14, 2021. Israeli artillery pounded northern Gaza early Friday in an attempt to destroy a vast network of militant tunnels inside the territory, the military said, bringing the front lines closer to dense civilian areas and paving the way for a potential ground invasion. (AP PhotoAriel Schalit)

A man inspects the damaged wall of a residential building after being hit by a rocket fired from the Gaza Strip in Ashkelon, Israel, Friday, May 14, 2021. Israeli artillery pounded northern Gaza early Friday in an attempt to destroy a vast network of militant tunnels inside the territory, the military said, bringing the front lines closer to dense civilian areas and paving the way for a potential ground invasion. (AP PhotoAriel Schalit)

U.S. diplomat Hady Amr arrived in the region on Friday as part of Washington's efforts to de-escalate the conflict and the U.N. Security Council was set to meet Sunday. But Israel turned down an Egyptian proposal for a one-year truce that Gaza's militant Hamas rulers had accepted, an Egyptian official said Friday on condition of anonymity to discuss the negotiations.

Since Monday night, Hamas has fired hundreds of rockets into Israel, which has pounded the Gaza Strip with strikes. In Gaza, at least 126 people have been killed, including 31 children and 20 women; in Israel, seven people have been killed, including a 6-year-old boy and a soldier.

Rocket fire from Gaza and Israel’s bombardment of the blockaded Palestinian territory continued into early Saturday, when an airstrike on a three-story house on the edge of a refugee camp in Gaza City killed at least seven Palestinians — the highest number of fatalities in a single hit.

An Israeli soldier rest in an  Armored Personnel Carrier (APC) at a staging ground near the Israeli Gaza border, Friday, May 14, 2021. (AP PhotoTsafrir Abayov)

An Israeli soldier rest in an Armored Personnel Carrier (APC) at a staging ground near the Israeli Gaza border, Friday, May 14, 2021. (AP PhotoTsafrir Abayov)

Said Alghoul, who lives nearby, said Israeli warplanes dropped at least three bombs on the home without warning residents in advance. “I could not endure and ran back to my home,” he said. Rescuers called a bulldozer to dig through the rubble for survivors or bodies.

Shortly afterward, Hamas said it fired a salvo of rockets at southern Israel in response to the airstrike.

A furious Israeli barrage early Friday killed a family of six in their house and sent thousands fleeing to U.N.-run shelters. The military said the operation involved 160 warplanes dropping some 80 tons of explosives over the course of 40 minutes and succeeded in destroying a vast tunnel network used by Hamas.

Israeli soldiers with armored vehicles gather in a staging ground near the border with Gaza Strip, southern Israel, Friday, May 14, 2021. (AP PhotoTsafrir Abayov)

Israeli soldiers with armored vehicles gather in a staging ground near the border with Gaza Strip, southern Israel, Friday, May 14, 2021. (AP PhotoTsafrir Abayov)

Lt. Col. Jonathan Conricus, a military spokesman, said the military aims to minimize collateral damage in striking military targets. But measures it takes in other strikes, such as warning shots to get civilians to leave, were not “feasible this time.”

Military correspondents in Israeli media said the military believed dozens of militants were killed inside the tunnels. The Hamas and Islamic Jihad militant groups have confirmed 20 deaths in their ranks, but the Israeli military said the real number is far higher.

Gaza’s infrastructure, already in widespread disrepair because of an Israeli-Egyptian blockade imposed after Hamas seized power in 2007, showed signs of breaking down further, compounding residents’ misery.

Israeli soldiers with armored vehicles gather in a staging ground near the border with Gaza Strip, southern Israel, Friday, May 14, 2021. (AP PhotoTsafrir Abayov)

Israeli soldiers with armored vehicles gather in a staging ground near the border with Gaza Strip, southern Israel, Friday, May 14, 2021. (AP PhotoTsafrir Abayov)

The U.N. said Gazans are experiencing daily power cuts of 8-12 hours and at least 230,000 have limited access to tap water. The impoverished and densely populated territory is home to 2 million Palestinians, most of them the descendants of refugees from what is now Israel.

The conflict, which was sparked by tensions in Jerusalem during the past month, has reverberated widely. Israeli cities with mixed Arab and Jewish populations have seen daily violence, with mobs from each community fighting in the streets and trashing each other’s property. New clashes broke out Friday in the coastal city of Acre.

In the occupied West Bank, on the outskirts of Ramallah, Nablus and other towns and cities, hundreds of Palestinians protested against the Gaza campaign and Israeli actions in Jerusalem. Waving Palestinian flags, they trucked in tires that they set up in burning barricades and hurled stones at Israeli soldiers. At least 10 protesters were shot and killed by soldiers. An 11th Palestinian was killed when he tried to stab a soldier at a military position.

Israeli soldiers with armored vehicles gather in a staging ground near the border with Gaza Strip, southern Israel, Friday, May 14, 2021. (AP PhotoTsafrir Abayov)

Israeli soldiers with armored vehicles gather in a staging ground near the border with Gaza Strip, southern Israel, Friday, May 14, 2021. (AP PhotoTsafrir Abayov)

In east Jerusalem, online video showed young Jewish nationalists firing pistols as they traded volleys of stones with Palestinians in Sheikh Jarrah, which became a flashpoint for tensions over attempts by settlers to forcibly evict a number of Palestinian families from their homes.

On Israel’s northern border, troops opened fire when a group of Lebanese and Palestinian protesters on the other side cut through the border fence and briefly crossed. One Lebanese was killed. Three rockets were fired toward Israel from neighboring Syria without causing any casualties or damage. It was not immediately known who fired them.

The tensions began in east Jerusalem earlier this month, with Palestinian protests against the Sheikh Jarrah evictions and Israeli police measures at Al-Aqsa Mosque, a frequent flashpoint located on a mount in the Old City revered by Muslims and Jews.

Israeli soldiers load ammunition onto an Armored Personnel Carrier (APC) at a staging ground near the Israeli Gaza border, Friday, May 14, 2021. (AP PhotoTsafrir Abayov)

Israeli soldiers load ammunition onto an Armored Personnel Carrier (APC) at a staging ground near the Israeli Gaza border, Friday, May 14, 2021. (AP PhotoTsafrir Abayov)

Hamas fired rockets toward Jerusalem late Monday, in an apparent attempt to present itself as the champion of the protesters. In the conflict that spiraled from there, Israel says it wants to inflict as much damage as it can on Hamas’ military infrastructure in Gaza.

Prime Minister Benjamin Netanyahu has vowed that Hamas will “pay a very heavy price” for its rocket attacks as Israel has massed troops at the frontier. U.S. President Joe Biden has expressed support for Israel while saying he hopes to bring the violence under control.

Hamas has fired some 2,000 rockets toward Israel since Monday, according to the Israeli military. Most have been intercepted by anti-missile defenses, but they have brought life to a standstill in southern Israeli cities, caused disruptions at airports and have set off air raid sirens in Tel Aviv and Jerusalem.

Smoke rises following Israeli airstrikes on a building in Gaza City, Friday, May 14, 2021. (AP PhotoHatem Moussa)

Smoke rises following Israeli airstrikes on a building in Gaza City, Friday, May 14, 2021. (AP PhotoHatem Moussa)

Rockets are launched from Gaza Strip to Israel, Friday, May 14, 2021. (AP PhotoHatem Moussa)

Rockets are launched from Gaza Strip to Israel, Friday, May 14, 2021. (AP PhotoHatem Moussa)

Rockets are launched from Gaza Strip to Israel, Friday, May 14, 2021. (AP PhotoHatem Moussa)

Rockets are launched from Gaza Strip to Israel, Friday, May 14, 2021. (AP PhotoHatem Moussa)

Rockets are launched from Gaza Strip to Israel, Friday, May 14, 2021. (AP PhotoHatem Moussa)

Rockets are launched from Gaza Strip to Israel, Friday, May 14, 2021. (AP PhotoHatem Moussa)

A Hezbollah supporter holds an Arabic placard that reads:"Jerusalem for us," during a protest in solidarity with Palestinians amid an escalating Israeli military campaign in Gaza, on the Lebanese-Israeli border in front of the Israeli settlement of Metula, near the southern village of Kafr Kila, Lebanon, Friday, May 14, 2021.  (AP PhotoMohammed Zaatari)

A Hezbollah supporter holds an Arabic placard that reads:"Jerusalem for us," during a protest in solidarity with Palestinians amid an escalating Israeli military campaign in Gaza, on the Lebanese-Israeli border in front of the Israeli settlement of Metula, near the southern village of Kafr Kila, Lebanon, Friday, May 14, 2021. (AP PhotoMohammed Zaatari)