Hundreds of migrants from a burned-out tent camp in northwest Bosnia have spent the night in buses after an attempt to relocate them failed, reflecting confusion in the Balkan country’s dealing with the crisis.

Bosnian authorities sent buses on Tuesday to transfer the migrants from the much-criticized Lipa camp to an army barracks in central Bosnia but this was canceled after locals there organized protests to prevent the relocation. On Wednesday morning, migrants were still inside the buses, local media reported.

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Migrants leave to be relocated from the Lipa camp northwestern Bosnia, near the border with Croatia, Bosnia, Tuesday, Dec. 29, 2020. The European Union on Monday warned Bosnia that thousands of migrants face a winter without shelter, and it urged the country's bickering political authorities to set aside their differences and take action. (AP PhotoKemal Softic)

Hundreds of migrants from a burned-out tent camp in northwest Bosnia have spent the night in buses after an attempt to relocate them failed, reflecting confusion in the Balkan country’s dealing with the crisis.

Police officers stand by migrants as they leave to be relocated from the Lipa camp northwestern Bosnia, near the border with Croatia, Bosnia, Tuesday, Dec. 29, 2020. The European Union on Monday warned Bosnia that thousands of migrants face a winter without shelter, and it urged the country's bickering political authorities to set aside their differences and take action. (AP PhotoKemal Softic)

The situation has prompted warnings by EU officials and aid groups of a looming humanitarian disaster and increased pressure on Bosnia to act to move the migrants away from the camp.

Police officers stand by migrants as they leave to be relocated from the Lipa camp northwestern Bosnia, near the border with Croatia, Bosnia, Tuesday, Dec. 29, 2020. The European Union on Monday warned Bosnia that thousands of migrants face a winter without shelter, and it urged the country's bickering political authorities to set aside their differences and take action. (AP PhotoKemal Softic)

Police officers stand by migrants as they leave to be relocated from the Lipa camp northwestern Bosnia, near the border with Croatia, Bosnia, Tuesday, Dec. 29, 2020. The European Union on Monday warned Bosnia that thousands of migrants face a winter without shelter, and it urged the country's bickering political authorities to set aside their differences and take action. (AP PhotoKemal Softic)

A migrant waits in a bus to be relocated from the Lipa camp northwestern Bosnia, near the border with Croatia, Bosnia, Tuesday, Dec. 29, 2020. The European Union on Monday warned Bosnia that thousands of migrants face a winter without shelter, and it urged the country's bickering political authorities to set aside their differences and take action. (AP PhotoKemal Softic)

A migrant waits in a bus to be relocated from the Lipa camp northwestern Bosnia, near the border with Croatia, Bosnia, Tuesday, Dec. 29, 2020. The European Union on Monday warned Bosnia that thousands of migrants face a winter without shelter, and it urged the country's bickering political authorities to set aside their differences and take action. (AP PhotoKemal Softic)

Police officers stand by migrants as they leave to be relocated from the Lipa camp northwestern Bosnia, near the border with Croatia, Bosnia, Tuesday, Dec. 29, 2020. The European Union on Monday warned Bosnia that thousands of migrants face a winter without shelter, and it urged the country's bickering political authorities to set aside their differences and take action. (AP PhotoKemal Softic)

Police officers stand by migrants as they leave to be relocated from the Lipa camp northwestern Bosnia, near the border with Croatia, Bosnia, Tuesday, Dec. 29, 2020. The European Union on Monday warned Bosnia that thousands of migrants face a winter without shelter, and it urged the country's bickering political authorities to set aside their differences and take action. (AP PhotoKemal Softic)

Police officers walk by migrants as they leave to be relocated from the Lipa camp northwestern Bosnia, near the border with Croatia, Bosnia, Tuesday, Dec. 29, 2020. The European Union on Monday warned Bosnia that thousands of migrants face a winter without shelter, and it urged the country's bickering political authorities to set aside their differences and take action. (AP PhotoKemal Softic)

Police officers walk by migrants as they leave to be relocated from the Lipa camp northwestern Bosnia, near the border with Croatia, Bosnia, Tuesday, Dec. 29, 2020. The European Union on Monday warned Bosnia that thousands of migrants face a winter without shelter, and it urged the country's bickering political authorities to set aside their differences and take action. (AP PhotoKemal Softic)

Migrants wait in a bus to be relocated from the Lipa camp northwestern Bosnia, near the border with Croatia, Bosnia, Tuesday, Dec. 29, 2020. The European Union on Monday warned Bosnia that thousands of migrants face a winter without shelter, and it urged the country's bickering political authorities to set aside their differences and take action. (AP PhotoKemal Softic)

Migrants wait in a bus to be relocated from the Lipa camp northwestern Bosnia, near the border with Croatia, Bosnia, Tuesday, Dec. 29, 2020. The European Union on Monday warned Bosnia that thousands of migrants face a winter without shelter, and it urged the country's bickering political authorities to set aside their differences and take action. (AP PhotoKemal Softic)

Migrants wait in a bus to be relocated from the Lipa camp northwestern Bosnia, near the border with Croatia, Bosnia, Tuesday, Dec. 29, 2020.  The European Union on Monday warned Bosnia that thousands of migrants face a winter without shelter, and it urged the country's bickering political authorities to set aside their differences and take action. (AP PhotoKemal Softic)

Migrants wait in a bus to be relocated from the Lipa camp northwestern Bosnia, near the border with Croatia, Bosnia, Tuesday, Dec. 29, 2020. The European Union on Monday warned Bosnia that thousands of migrants face a winter without shelter, and it urged the country's bickering political authorities to set aside their differences and take action. (AP PhotoKemal Softic)

Convoy with migrants wait to be relocated from the Lipa camp northwestern Bosnia, near the border with Croatia, Bosnia, Tuesday, Dec. 29, 2020.  The European Union on Monday warned Bosnia that thousands of migrants face a winter without shelter, and it urged the country's bickering political authorities to set aside their differences and take action. (AP PhotoKemal Softic)

Convoy with migrants wait to be relocated from the Lipa camp northwestern Bosnia, near the border with Croatia, Bosnia, Tuesday, Dec. 29, 2020. The European Union on Monday warned Bosnia that thousands of migrants face a winter without shelter, and it urged the country's bickering political authorities to set aside their differences and take action. (AP PhotoKemal Softic)

The Lipa camp near Bosnia's border with European Union member state Croatia was demolished in a fire last week and lacked basic facilities such as running water or heating. Some 1,000 migrants were stranded there for days during a spate of snowy and windy winter weather that followed the fire.

Migrants leave to be relocated from the Lipa camp northwestern Bosnia, near the border with Croatia, Bosnia, Tuesday, Dec. 29, 2020. The European Union on Monday warned Bosnia that thousands of migrants face a winter without shelter, and it urged the country's bickering political authorities to set aside their differences and take action. (AP PhotoKemal Softic)

Migrants leave to be relocated from the Lipa camp northwestern Bosnia, near the border with Croatia, Bosnia, Tuesday, Dec. 29, 2020. The European Union on Monday warned Bosnia that thousands of migrants face a winter without shelter, and it urged the country's bickering political authorities to set aside their differences and take action. (AP PhotoKemal Softic)

The situation has prompted warnings by EU officials and aid groups of a looming humanitarian disaster and increased pressure on Bosnia to act to move the migrants away from the camp.

The troubled Balkan country that went through a devastating war in the 1990s has been struggling with the influx of thousands of people seeking to reach Western Europe. Bickering among Bosnia's ethnically divided authorities has prevented an organized response to the crisis, leaving some 3,000 migrants sleeping rough or in makeshift tents.

Most migrants are staying in the northwest corner of Bosnia, where they hope to cross into Croatia before moving on toward wealthy EU nations. To get to Croatia, migrants use mountainous illegal routes and often face pushbacks and alleged violence at the hands of Croatia's police.

Police officers stand by migrants as they leave to be relocated from the Lipa camp northwestern Bosnia, near the border with Croatia, Bosnia, Tuesday, Dec. 29, 2020. The European Union on Monday warned Bosnia that thousands of migrants face a winter without shelter, and it urged the country's bickering political authorities to set aside their differences and take action. (AP PhotoKemal Softic)

Police officers stand by migrants as they leave to be relocated from the Lipa camp northwestern Bosnia, near the border with Croatia, Bosnia, Tuesday, Dec. 29, 2020. The European Union on Monday warned Bosnia that thousands of migrants face a winter without shelter, and it urged the country's bickering political authorities to set aside their differences and take action. (AP PhotoKemal Softic)

Police officers stand by migrants as they leave to be relocated from the Lipa camp northwestern Bosnia, near the border with Croatia, Bosnia, Tuesday, Dec. 29, 2020. The European Union on Monday warned Bosnia that thousands of migrants face a winter without shelter, and it urged the country's bickering political authorities to set aside their differences and take action. (AP PhotoKemal Softic)

Police officers stand by migrants as they leave to be relocated from the Lipa camp northwestern Bosnia, near the border with Croatia, Bosnia, Tuesday, Dec. 29, 2020. The European Union on Monday warned Bosnia that thousands of migrants face a winter without shelter, and it urged the country's bickering political authorities to set aside their differences and take action. (AP PhotoKemal Softic)

A migrant waits in a bus to be relocated from the Lipa camp northwestern Bosnia, near the border with Croatia, Bosnia, Tuesday, Dec. 29, 2020. The European Union on Monday warned Bosnia that thousands of migrants face a winter without shelter, and it urged the country's bickering political authorities to set aside their differences and take action. (AP PhotoKemal Softic)

A migrant waits in a bus to be relocated from the Lipa camp northwestern Bosnia, near the border with Croatia, Bosnia, Tuesday, Dec. 29, 2020. The European Union on Monday warned Bosnia that thousands of migrants face a winter without shelter, and it urged the country's bickering political authorities to set aside their differences and take action. (AP PhotoKemal Softic)

Police officers stand by migrants as they leave to be relocated from the Lipa camp northwestern Bosnia, near the border with Croatia, Bosnia, Tuesday, Dec. 29, 2020. The European Union on Monday warned Bosnia that thousands of migrants face a winter without shelter, and it urged the country's bickering political authorities to set aside their differences and take action. (AP PhotoKemal Softic)

Police officers stand by migrants as they leave to be relocated from the Lipa camp northwestern Bosnia, near the border with Croatia, Bosnia, Tuesday, Dec. 29, 2020. The European Union on Monday warned Bosnia that thousands of migrants face a winter without shelter, and it urged the country's bickering political authorities to set aside their differences and take action. (AP PhotoKemal Softic)

Police officers walk by migrants as they leave to be relocated from the Lipa camp northwestern Bosnia, near the border with Croatia, Bosnia, Tuesday, Dec. 29, 2020. The European Union on Monday warned Bosnia that thousands of migrants face a winter without shelter, and it urged the country's bickering political authorities to set aside their differences and take action. (AP PhotoKemal Softic)

Police officers walk by migrants as they leave to be relocated from the Lipa camp northwestern Bosnia, near the border with Croatia, Bosnia, Tuesday, Dec. 29, 2020. The European Union on Monday warned Bosnia that thousands of migrants face a winter without shelter, and it urged the country's bickering political authorities to set aside their differences and take action. (AP PhotoKemal Softic)

Migrants wait in a bus to be relocated from the Lipa camp northwestern Bosnia, near the border with Croatia, Bosnia, Tuesday, Dec. 29, 2020. The European Union on Monday warned Bosnia that thousands of migrants face a winter without shelter, and it urged the country's bickering political authorities to set aside their differences and take action. (AP PhotoKemal Softic)

Migrants wait in a bus to be relocated from the Lipa camp northwestern Bosnia, near the border with Croatia, Bosnia, Tuesday, Dec. 29, 2020. The European Union on Monday warned Bosnia that thousands of migrants face a winter without shelter, and it urged the country's bickering political authorities to set aside their differences and take action. (AP PhotoKemal Softic)

Migrants wait in a bus to be relocated from the Lipa camp northwestern Bosnia, near the border with Croatia, Bosnia, Tuesday, Dec. 29, 2020.  The European Union on Monday warned Bosnia that thousands of migrants face a winter without shelter, and it urged the country's bickering political authorities to set aside their differences and take action. (AP PhotoKemal Softic)

Migrants wait in a bus to be relocated from the Lipa camp northwestern Bosnia, near the border with Croatia, Bosnia, Tuesday, Dec. 29, 2020. The European Union on Monday warned Bosnia that thousands of migrants face a winter without shelter, and it urged the country's bickering political authorities to set aside their differences and take action. (AP PhotoKemal Softic)

Convoy with migrants wait to be relocated from the Lipa camp northwestern Bosnia, near the border with Croatia, Bosnia, Tuesday, Dec. 29, 2020.  The European Union on Monday warned Bosnia that thousands of migrants face a winter without shelter, and it urged the country's bickering political authorities to set aside their differences and take action. (AP PhotoKemal Softic)

Convoy with migrants wait to be relocated from the Lipa camp northwestern Bosnia, near the border with Croatia, Bosnia, Tuesday, Dec. 29, 2020. The European Union on Monday warned Bosnia that thousands of migrants face a winter without shelter, and it urged the country's bickering political authorities to set aside their differences and take action. (AP PhotoKemal Softic)