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Col Gaddafi 'uses cluster bombs'

16 April 2011 Last updated at 14:37 BST

Colonel Gaddafi's forces in Libya have been accused of using cluster bombs, which are banned by more than 100 countries.

The campaign group, Human Rights Watch, said one of its photographers saw the bombs explode over the western city of Misrata which is partly held by rebels.

A Libyan government spokesman has denied the allegation.

From Tripoli, the BBC's Jeremy Bowen reports.