Migrant crisis 'overwhelming' Greek island of Lesbos

Despite winter's approach, the flow of refugees and other migrants to Europe is showing no sign of slowing.

The Greek island of Lesbos alone is receiving 7,000 new arrivals a day, with the UN warning that the total for October could exceed 200,000.

It poses a huge challenge for the Greek authorities and the UN, as the system for registering and relocating the migrants faces collapse.

Ian Pannell reports from Lesbos.

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