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UN: Syria's children dealing with 'trauma and anger'

23 August 2013 Last updated at 13:10 BST

Syria risks a "lost generation" of children who are dealing with "trauma and anger", the UN High Commissioner for Refugees has said.

"I've seen people with loss of speech... one child of four years old… compulsively shooting with a toy gun," Antonio Guterres added.

The UN says children now make up half of all refugees fleeing Syria. About three-quarters of those children are under 11.