Updated

The latest developments as European governments rush to cope with the huge number of people moving across Europe. All times local (CET):

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9:05 a.m.

Hundreds of migrants have spent a night in tents or out in the open on the Serbian side of the border with Hungary awaiting the opening of the crossing at Roszke, which was closed shortly after midnight.

Hundreds continue to arrive, though Serbian border guards say that the crossing into Hungary will no longer be open. Two official crossings will allow migrants to cross, but will only allow in those who have applied for asylum in Serbia. Those who have not will be returned to Serbia.

Serbian officials have said they will not accept migrants back from Hungary.