A SUICIDE bomber detonated half a ton of explosives outside the US seat of power in Iraq yesterday, killing at least 20 people in the deadliest attack since the capture of Saddam Hussein.

A suicide bomber today blew up his vehicle at a main gate to the headquarters compound of the US-led coalition in Baghdad, killing about 20 people in the deadliest attack since the capture of Saddam Hussein last month.

A car bomb exploded outside the main gate to the headquarters of the U.S.-led coalition today, killing 23 people, including two Americans who may have been civilian contractors, U.S. officials said.