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Syria: Huge explosion in Hama 'kills 70'

26 April 2012 Last updated at 09:31 BST

Up to 70 people have been killed in an explosion at a house in Hama, according to Syrian activists.

They said several houses in the Mashaa at-Tayyar district in southern Hama were destroyed by a big explosion.

State media said 16 people died in the blast in a house being used as a bomb factory by "armed terrorist groups".

The BBC's Jim Muir reports from Beirut.