A roadside bomb went off near a U. S. military patrol in western Baghdad on Wednesday, killing a civilian and wounding two others, an Interior Ministry source said.

A makeshift bomb detonated at about 9:00 a.m. (0500 GMT) near a passing U.S. patrol in Mansur neighborhood, the source told Xinhua on condition of anonymity.

The blast prompted the U.S. soldiers and Iraqi security forces, who used to man a mobile checkpoint near the blast site, to open fire in all directions, the source said.

It was not clear immediately whether there were any U.S. casualties.

Source: Xinhua