Thousands of migrants are stranded at borders in the Balkans, in cold and wet conditions, as their path to western Europe is blocked.
Hungarian riot police fire tear gas and water cannon to force back migrants who broke through gates at the now closed Serbia-Hungary border.
Thousands of migrants are stranded at borders in the Balkans, in cold and wet conditions, as their path to western Europe is blocked.
Hungarian riot police fire tear gas and water cannon to force back migrants who broke through gates at the now closed Serbia-Hungary border.