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How displaced people in Syria try to stay alive

2 September 2013 Last updated at 23:07 BST

Seven million Syrians - around a third of the population - have been displaced by the country's civil war.

According to the UN some two million have fled to neighbouring countries, but more than five million are displaced within Syria.

The UN deputy envoy to Syria has told the BBC's Middle East editor, Jeremy Bowen, that sectarianism is now so serious there is a risk of genocide.

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