Syrian migrants walk along a railway track to cross the Serbian border with Hungary near the village of Horgos August 27, 2015. Hungary made plans on Wednesday to reinforce its southern border with helicopters, mounted police and dogs, and was also considering using the army as record numbers of migrants, many of them Syrian refugees, passed through coils of razor-wire into Europe. REUTERS/Marko Djurica – RTX1PY4Z
