(KUNA) -- Iraqi police raided Thursday a mosque in western Baghdad to arrest three gunmen involved in an armed attack on Iraqi police in which a police colonel was killed, said the Iraqi Interior Minister in Baghdad. "Group of terrorists attacked the national police in Saydiah area in Western Baghdad, and then took refuge in Turkey bin Talal Mosque," said the statement.The gunmen "continued firing from the mosque killing Colonel Dhiaa Al-Samirrai and two other policemen," added the statement. The Iraqi police then arrested the three gunmen, one of whom was wounded by police fire, said the statement, noting that police also confiscated a large quantity of weapons stored in the mosque. An Iraqi security source told KUNA earlier gunmen clashed with Iraqi police in Ighilsidiya area in Western Baghdad. Three Iraqi policemen including a senior officer were killed in the clash, he added.