June 18 (Reuters) - Following are security developments in Iraq at 0900 GMT on Monday: BAGHDAD - U.S.-led coalition forces killed at least 20 militants after coming under attack from Shi'ite gunmen during raids in southern Maysan province on Monday, the U.S. military said. An official in the office of anti-U.S. Shi'ite cleric Moqtada al-Sadr in the Maysan capital Amara said 17 members of the firebrand's Mehdi Army had been killed and 45 wounded. NEAR BAGHDAD - Gunmen killed eight policemen when they attacked their convoy on Sunday on a road in the town of Mishahda, north of Baghdad, police at a Baghdad hospital where the bodies were brought said. Another police source said four policemen were killed and four wounded. FALLUJA - Three people were killed and 15 wounded in a car bomb attack at a popular market in the Sunni Arab stronghold of Falluja, 50 km (35 miles) west of Baghdad, police said. NASSIRIYA - At least four people were killed and 54 wounded in clashes between gunmen loyal to cleric Moqtada al Sadr and police in the southern Shi'ite city of Nassiriya, 375 km (235 miles) south of Baghdad, hospital and police sources said. BAGHDAD - Six people were killed and 12 wounded when two car bombs exploded in quick succession as motorists queued for petrol in the southern Saidiya district of Baghdad, police said. BAQUBA - Gunmen attacked the office of Mohammed Abid, a manager in the Diyala electricity station, and shot him dead in the city of Baquba, police said. BAGHDAD - The bodies of five people were found dead in different districts of Baghdad on Sunday, police said. BAGHDAD - U.S. forces detained 11 suspected insurgents during operations Sunday and Monday to disrupt al Qaeda car bomb networks in Baghdad and Haditha, the U.S. military said.
