Dec 8 (Reuters) - Following are security and other developments in Iraq as of 1500 GMT on Friday: TAL AFAR - A car bomb targeting an Iraqi army checkpoint in the town of Tal Afar, 420 km (260 miles) north of Baghdad, killed three civilians and wounded 15 people, police said. ISHAQI - The U.S. military said ground forces with air support killed 18 men and two women in the Thar Thar area of Salahaddin province, all suspected al Qaeda militants. But Iraqi officials, including police, said they found the bodies of 17 civilians. Journalists were shown the bodies of five children.