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UN observers caught up in Syria violence

16 May 2012 Last updated at 11:27 BST

UN observers deployed to monitor a ceasefire in Syria, have been caught up in the violence during a visit in Idlib province.

Activists say at least 20 people were killed in the attack.

Unconfirmed reports say security forces opened fire on a funeral procession in the town.

Barbara Plett reports from the United Nations in New York.

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