Nov 24 (Reuters) - Following are security developments in Iraq at 1500 GMT on Saturday. * denotes new or updated items. * FALLUJA - The bodies of two men with gunshot wounds and showing signs of torture were found north of Falluja, 50 km (30 miles) west of Baghdad, police said. * BAGHDAD - U.S. forces killed one militant and detained 10 others during operations against militants accused of working with al Qaeda in northern Iraq and Baghdad, the U.S. military said. In one raid southwest of Kirkuk, 250 km (155 miles) north of Baghdad, soldiers found a kidnapped man being held in chains. BAGHDAD - One Iraqi soldier and two civilians were wounded by a roadside bomb targeting an Iraqi army patrol in the Jadiriya district of southern Baghdad, police said. KIRKUK - Iraqi security forces imposed a curfew during an operation against al Qaeda in the city of Kirkuk, the defence ministry said. BAGHDAD - Two bomb attacks carried out by al Qaeda militants in the northern Iraqi city of Mosul on Friday killed 21 people, the U.S. military said on Saturday. Iraqi police had previously put the death toll at nine. NEAR SAMARRA - A car bomb killed three police rangers and wounded 11 others near the city of Samarra, 100 km (60 km) north of Baghdad, police said. TUZ KHURMATO - The body of a policeman was found with gunshot wounds in Tuz Khurmato in northern Iraq, two days after he was kidnapped, police said. BAGHDAD - A roadside bomb wounded two members of the Interior Ministry's anti-crime unit when it targeted their patrol in central Baghdad, police said. BAGHDAD - Six bodies were found in different districts in Baghdad on Friday, police said. BALAD - Iraqi and U.S. forces detained four gunmen, including two "known extremist company commanders" during operations on Friday against criminal groups operating within Iraq, the U.S. military said. BALAD - One mortar bomb killed an Iraqi citizen and wounded two others on Thursday when it landed inside a coalition forces' military base in the city of Balad, 80 km (50 miles) north of Baghdad, the U.S. military said. (Editing by Alaa Shahine and Paul Tait)