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PHOTO GALLERY: Migrants walking near border between Serbia and Croatia




Croatian police officers stand guard by the fence as migrants shove each other to enter into Croatia from Serbia, near the village of Babska, Croatia, Thursday, Oct. 22, 2015 (AP)

Migrants keep themselves warm around a fire after crossing the border from Croatia in Rigonce, Slovenia, October 22, 2015 (Reuters)

Migrants wait to cross a border between Serbia and Croatia, near the village of Berkasovo, Serbia, Thursday, Oct. 22, 2015. (AP)

Croatian police officers stand guard by the fence as migrants enter into Croatia from Serbia, near the village of Babska, Croatia, Thursday, Oct. 22, 2015 (AP)

Migrants sit by a fire after they spent a night in a camp in Rigonce, Slovenia October 22, 2015 (Reuters)

Migrants enter into Croatia from Serbia as Croatian police officers stand guard near the village of Babska, Croatia, Thursday, Oct. 22, 2015 (AP)

Migrants rest in tents as they wait to cross a border between Serbia and Croatia, near the village of Berkasovo, Serbia, Thursday, Oct. 22, 2015 (AP)

Migrants keep themselves warm around a fire after crossing the border from Croatia in Rigonce, Slovenia, October 22, 2015. (Reuters)

Migrants enter into Croatia from Serbia as Croatian police officers stand guard near the village of Babska, Croatia, Thursday, Oct. 22, 2015. (AP)

Migrants keep themselves warm around a fire after crossing the border from Croatia in Rigonce, Slovenia, October 22, 2015. (Reuters)

A migrant girl drinks from a bottle in a camp in Rigonce, Slovenia October 22, 2015. (Reuters)

Migrants covered with thermal blankets try to light fire in Skala Sikaminias village, on the northeastern Greek island of Lesbos, early Thursday, Oct. 22, 2015 (AP)

Migrants enter into Croatia from Serbia as Croatian police officers stand guard by the fence near the village of Babska, Croatia, Thursday, Oct. 22, 2015. (AP)

Migrants rest after crossing the border from Croatia in Rigonce, Slovenia, October 22, 2015 (Reuters)

Migrants move past a chapel after crossing from Croatia, in Rigonce, near a border crossing between Croatia and Slovenia Thursday, Oct. 22, 2015 (AP)

Migrants' children keep themselves warm around a fire after crossing the border from Croatia in Rigonce, Slovenia, October 22, 2015 (Reuters)

Croatian police officers stand guard by the fence as migrants enter into Croatia from Serbia, near the village of Babska, Croatia, Thursday, Oct. 22, 2015 (AP)

Migrants enter into Croatia from Serbia as Croatian police officers stand guard near the village of Babska, Croatia, Thursday, Oct. 22, 2015 (AP)