Chaotic Scenes at Serbia/Hungary Border as Migrants Run from Pepper Spray

CLEAN: Hungary's latest response to the migration crisis has been strongly condemned by the United Nations High Commissioner for Refugees. Hundreds of people are stranded at the Serbian border after Hungary closed the frontier by building a razor-wire fence. The aim is to stop migrants trying to enter the European Union after new Hungarian laws came into effect overnight. Shows chaotic scenes after riot police spray migrants and refugees with pepper spray.