Three car bombs exploded in quick succession near U.S. forces in Ramadi, west of Baghdad, on Tuesday in an apparently coordinated strike by insurgents, police and witnesses said.
In the first blast, a car blew up as a U.S. convoy was passing through the centre of the Sunni Arab city, police said. One U.S. army vehicle was damaged in the explosion and three Iraqi bystanders were wounded, the police said.
It was not clear if any U.S. troops were wounded or killed in the attack, which came hours after Sunni Arab leaders warned of violence after the Shi'ite and Kurdish-dominated parliament was presented with a draft constitution Sunnis objected to.
The U.S. Marines in Ramadi did not immediately reply to a request for information.
Minutes later, a suicide truck bomber rammed his explosives -laden vehicle into a building frequently occupied by U.S. troops in an industrial zone on the edge of Ramadi, witnesses said. They said part of the building then collapsed, reports Reuters.
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