TOVARNIK, CROATIA - SEPTEMBER 17: Migrants force their way through police lines at Tovarnik station to board a train bound for Zagreb on September 17, 2015 in Tovarnik, Croatia. Migrants are now diverting to Croatia from Serbia after Hungary closed its border with Serbia, with the majority of them trying to reach Germany amid divisions within the European Union over how to manage the ongoing crisis. (Photo by Jeff J Mitchell/Getty Images)
