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The Latest: Thousands of migrants spend night outside in cold at Serbia-Croatia border

  • A family treks through a muddy field towards the Serbia's border with Croatia, in Berkasovo, Serbia, Friday, Oct. 23, 2015. Most migrants fleeing war and poverty in the Middle East, Asia and Africa wish to go to Germany or other wealthier countries of Western Europe. (AP Photo/Marko Drobnjakovic)

    A family treks through a muddy field towards the Serbia's border with Croatia, in Berkasovo, Serbia, Friday, Oct. 23, 2015. Most migrants fleeing war and poverty in the Middle East, Asia and Africa wish to go to Germany or other wealthier countries of Western Europe. (AP Photo/Marko Drobnjakovic)  (The Associated Press)

  • A girl peers out of a tent close to Serbia's border with Croatia, in Berkasovo, Serbia, Friday, Oct. 23, 2015. Most migrants fleeing war and poverty in the Middle East, Asia and Africa wish to go to Germany or other wealthier countries of Western Europe. (AP Photo/Marko Drobnjakovic)

    A girl peers out of a tent close to Serbia's border with Croatia, in Berkasovo, Serbia, Friday, Oct. 23, 2015. Most migrants fleeing war and poverty in the Middle East, Asia and Africa wish to go to Germany or other wealthier countries of Western Europe. (AP Photo/Marko Drobnjakovic)  (The Associated Press)

  • People try to stay warm by a fire close to Serbia's border with Croatia, in Berkasovo, Serbia, Friday, Oct. 23, 2015. Most migrants fleeing war and poverty in the Middle East, Asia and Africa wish to go to Germany or other wealthier countries of Western Europe. (AP Photo/Marko Drobnjakovic)

    People try to stay warm by a fire close to Serbia's border with Croatia, in Berkasovo, Serbia, Friday, Oct. 23, 2015. Most migrants fleeing war and poverty in the Middle East, Asia and Africa wish to go to Germany or other wealthier countries of Western Europe. (AP Photo/Marko Drobnjakovic)  (The Associated Press)

The latest news as asylum-seekers make their way across Europe by the tens of thousands, fleeing war or seeking a better life. All times local:

10:00

Thousands of migrants, including small children, have spent the night out in the open in near-freezing cold waiting to cross the Serbian border with Croatia.

A U.N. refugee agency field officer said Friday about 5,000 migrants were stuck at the muddy crossing overnight because Croatian police temporarily closed the border passage.

Maher Is'haqat, a Protection Officer from the United Nations High Commissioner for refugees says "it was a very cold night." He says the migrants were obliged to stay at the crossing overnight.

People have been lighting fires and using blankets and tents to warm up. Croatian police have been letting in smaller groups since early in the morning.

Since Hungary closed its border with Croatia to migrants on Saturday, they now travel from Croatia to Slovenia on their way toward northern Europe.