A migrant protects himself from the rain as he walks towards the Hungarian border after arriving at the train station in Botovo, Croatia September 24, 2015. A trade war erupted between Serbia and Croatia on Thursday over the flow of migrants across their border, dragging relations between the ex-Yugoslav republics to their lowest ebb since the overthrow of late Serbian strongman Slobodan Milosevic in 2000. (Photo by Antonio Bronic/Reuters)
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