Migrant crisis: Arrivals to Greece top 500,000


The number of migrants who have arrived in Greece this year has topped half a million, the United Nations said.

The rate of people arriving has risen to 8,000 a day, the UN's High Commissioner for Refugees said, with many hoping to beat winter weather.

Most migrants then head north from Greece, but bottlenecks are forming in some Balkan states.

Slovenia has deployed its army to its border after being overwhelmed by numbers entering from Croatia.