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Syria crisis: Rebels 'upbeat' in battle for Aleppo

28 July 2012 Last updated at 16:53 BST

There has been "constant activity" in Aleppo as government forces and rebels fight for control of Syria's second city, the BBC's correspondent there reports.

Ian Pannell said that rebels he had spoken to were "very upbeat" but that many civilians were very scared and trying to leave the city.