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Migrants and refugees wait to be registered by the authorities before continuing their train journey to western Europe at a refugee transit camp in Slavonski Brod, Croatia. NATO defence ministers convened a two-day meeting in Brussels to discuss current defense issues and whether the Alliance should take a more direct role in dealing with its gravest migrant crisis since World War II. Hundreds of thousands people fleeing Syria, Afghanistan and other war-torn or impoverished countries arrived in Europe last year, often risking their lives to cross the Aegean in overloaded boats. Hundreds have died in the attempt.
Photos by Darrin Zammit Lupi/Reuters