
Migrants waited in the rain at the Trnovec border crossing in Croatia on Monday. Amnesty International described the conditions there as "dire."

Slovenian police helped some of the people who were stuck in cold and wet weather in Trnovec.

Restrictions on movements through the region have produced bottlenecks at Croatia's borders, including in Trnovec.

Problems also arose in the Serbian village of Berkasovo, at the border with Croatia, where hundreds of people were stuck on Monday.

People in Berkasovo were in a "desperate situation," a U.N. refugee agency official said Monday, describing the cold and wet weather as "horrible."

Migrants resting in Trnovec on Monday. Amnesty International criticized governments in the region for allowing the crisis to develop.

Migrants in Berkasovo waiting to enter Croatia on Monday. "We have families, pregnant women, small babies, the elderly, three generations of families, an old woman in a wheel chair," said Melita Sunjic of the U.N. refugee agency.