Europe Migrant Crisis - Sept. 20, 2015

A migrant boy eats on the ground at the check point Heiligenkreuz, Austria, Sept. 20, 2015, located at the border with Hungary. Hungary and Croatia traded threats as thousands of exhausted migrants poured over their borders, deepening the disarray in Europe over how to handle the tide of humanity.

A local woman helps a migrant to buy a ticket for a train towards Garaz at the Austria-Slovenia border train station in Spielfeld, Austria.

A migrant passes first aid blankets at the Austria-Hungaria border, walking towards Nickelsdorf, Austria.

A police officer searches refugees after they entered Slovenia, as they wait for a bus transport at the border station in Obretzje.

Migrants are escorted by Hungarian police officers as they walk towards the railway station in Zakany, 230 kms southwest of Budapest, Hungary, after they crossed the border from Croatia.

A Syrian refugee boy cries while he and his family try to board a train at the station in Tovarnik, Croatia. Police said more people are coming in from Serbia, mostly near the eastern border town of Tovarnik, where there are already around 2,500 people waiting for transport.

Migrants and refugees board a train by climbing through the windows as they try to avoid a police barrier at the station in Tovarnik.

Croatian riot police officers try to clear a railway track after thousands of refugees broke a police line to board a train at the station in Tovarnik.

Refugees and migrants break a fence as they run to cross the border from the northern Greek village of Idomeni to southern Macedonia. More than 2,000 refugees and economic migrants wait at the small village of about 100 inhabitants every day to be let into Macedonia, from where they continue through Serbia and Hungary to seek asylum in wealthier European countries..

An exhausted woman collapses as she waits to cross the border from the northern Greek village of Idomeni, to southern Macedonia.

Suspected migrant and refugee smugglers power their speed boat back towards Turkey after dropping off a load of Syrian refugees at a remote beach on the Greek island of Lesbos.

A Turkish paramilitary officer and local workers collect the bodies of migrants after their boat collided with a ferry off the Turkish coast near Ayvacik, Canakkale. Twenty six migrants were fear missing and search-and-rescue operations were ongoing, an official of Turkey's coast guard agency said.