Iraqi police on Thursday said an ordnance disposal team defused two roadside bombs in Baghdad. "Intelligence tips reported by civilians led an ordnance disposal team to defuse two roadside bomb planted by unknown individuals in a school in Sadr City district.Sadr City and surrounding areas were long dominated by al-Sadr's Mahdi Army militia and where the site of fierce clashes between U.S.-Iraqi forces and Shiite extremists earlier this year. The area has been relatively peaceful after al-Sadr declared his cease-fire and the Iraqi security forces assumed control in late May.