In Pictures: A look at the News Photos of Europe Migrant Crisis.
A migrant looks and reacts at the closed railway border crossing between Serbia and Hungary, near Horgos, Serbia, Sept. 15, 2015. Hungary has declared a state of emergency in two of its southern counties bordering Serbia because of the migration crisis, giving special powers to police and other authorities.
A migrant holds his child on the Serbian side of the fence in Asotthalom, Hungary. Hundreds of migrants spent the night in the open on Serbia's northern border with Hungary, their passage to western Europe stalled by a Hungarian crackdown to confront the continent's worst refugee crisis in two decades.
Migrants stand in front of a barrier at the border with Hungary near the village of Horgos, Serbia. Hundreds of migrants pressed against a barrier erected by Hungarian police across the main highway linking Serbia and Hungary, demanding they be allowed to cross the border.
Migrants sit on the ground near the border with Hungary in Horgos. Hungarian Prime Minister Viktor Orban announced that under new security measures that went into effect Tuesday his administration will be tough on those who cross the border illegally.