Heavy explosions rattled the Iraqi capital Thursday, and one of the blasts _ a roadside bomb _ killed at least nine passers-by and injured six, police said. The deadly blast targeted an Iraqi army patrol in Amariyah, a mostly Sunni neighborhood in west Baghdad, according to Interior Ministry Maj. Falah al-Mohammedawi. At least four other large blasts were heard but police only had reports on one, roadside bomb that was aimed at a police patrol in Jihad, another mostly Sunni western neighborhood. Three bystanders were hurt, the Associated Press reported.