Car bomb kills 10 in Shi'ite holy city

A CAR bomb exploded yesterday in the Shi'ite holy city of Najaf, killing at least 10 people.

Then incident has threatened to sharpen sectarian tensions as Shi'ite politicians blocked a bid to have parliament try to break the deadlock on forming a new government.

Elsewhere, the US military announced the arrest of a top insurgent leader believed to have been responsible for last year's kidnapping of Italian journalist Giuliana Sgrena.