Overnight the US unleashed a large air attack on the Iraqi city of Fallujah in some of the heaviest bombing since the US first attacked the Sunni stronghold three weeks ago. AC-130 gunships pounded the city and shells rocked the city for hours. The number of people killed are unknown. But the Guardian of London reports residents said fighting was the worst since a truce was called two weeks ago. Al Jazeera aired images of the bombardment around the world. One cleric quoted on the network said the US was targeting ordinary civilians and that they were trying to destroy everything in the city. US officials are saying they were only acting defensively and that it could take six to eight weeks to gain full control of the city.