Big blast rocks centre of Baghdad
A powerful blast has rocked the centre of the Iraqi capital, Baghdad.
Smoke was seen rising near the entrance to the closed-off area known as the Green Zone.
It is where the US and British embassies and the offices of the Iraqi authorities are located.
There is so far no word on any casualties in the explosion, believed caused by a car bomb - gunfire was heard after the blast.
CNN quoting Iraqi National Guard - Nine killed and many injured