Libya: Nato strike 'kills Gaddafi son'

Colonel Gaddafi's youngest son and three of his grandchildren have been killed in a Nato airstrike in Tripoli, the Libyan government has said.

Government spokesman Moussa Ibrahim said the incident which killed Sayf al-Arab Gaddafi was "a direct operation to assassinate the leader of this country".

Mr Ibrahim added that Colonel Gaddafi himself was in the large residential villa which was hit by the strike, but was unharmed.