In Pictures: A Look at Europe's Migrant Crisis
Europe Migrant Crisis - Sept. 17, 2015

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Police direct migrants during a stampede to board a bus in Tovarnik, Croatia, Sept. 17, 2015. Croatia said it could not take in any more migrants, amid chaotic scenes of riot police trying to control thousands who have streamed into the European Union country from Serbia.

2
Migrants help an injured migrant during a stampede to board a bus in Tovarnik.

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A policeman helps a migrant as she attempts to board a bus in Tovarnik.

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Croatian police officers take control the bus at the Batina border crossing with Serbia, that would take migrants to the center for asylum seekers, near Batina, Croatia.