Dec 1 (Reuters) - Following are security developments in Iraq as of 1100 GMT on Friday. * indicates new or updated entry. *BAGHDAD - U.S. forces killed two suspected insurgents and detained 27 others in multiple raids in towns north and south of Baghdad, the U.S. army said in a statement. *SAMAWA - At least two policemen and one civilian were killed and 31 wounded, including three policemen, in clashes between Mehdi Army fighters and police in Samawa, 270 km (168 miles) south of Baghdad, on Thursday evening. Police said the clashes continued on Friday. BAGHDAD - A car bomb exploded in the Hussainiya area of northern Baghdad, killing two people and wounding 13, police said. *BAGHDAD - Clashes erupted between gunmen and the Iraqi army in central Baghdad in which one soldier was killed and nine wounded, including five soldiers, the Interior Ministry said. The Defence Ministry said 28 people had been captured and a quantity of weapons seized. *KIRKUK - A suicide car bomber targeted a U.S. patrol, killing two civilians and wounding four in the northern city of Kirkuk, police and hospital sources said. LATIFIYA - A roadside bomb exploded near a minibus, killing one person and wounding four in Latifiya, 40 km (25 miles) south of Baghdad, on Thursday evening, police said. BAGHDAD - At least three people were killed and 22 wounded when a car bomb blasted a crowded pet market in central Baghdad, police sources said. BAGHDAD - A security detainee died on Thursday at Camp Cropper, a detention facility at Baghdad airport, from what appeared to be natural causes, the U.S. military said in a statement. BAGHDAD - U.S. ground and air forces killed 14 insurgents and wounded two after they attacked their convoy with machinegun fire in southwest of Samarra 100 km (60 miles) north of Baghdad on Thursday, the U.S. military said in a statement. BAGHDAD - A U.S. soldier was killed in combat in Baghdad on Thursday, the U.S. military said in a statement. SAMAWA - Seven mortar rounds landed in a residential neighbourhood in Samawa 270 km (168 miles) south of Baghdad, on Thursday, killing two people and wounding 13, police said. JURF AL-SAKHAR - A roadside bomb exploded near a police patrol, killing one civilian and wounding three in the town of Jurf al-Sakhar 85 km (53 miles) south of Baghdad on Thursday, police said.