Insurgents killed at least six Iraqi police officers and wounded five others Tuesday in five separate attacks in north-central Iraq, the U.S. military said. Four of the attacks occurred near the town of Balad — about 50 miles south of Tikrit — killing five police officers and wounded three others, said Capt. Bill Coppernoll of the U.S. Army 1st Infantry Division. A fifth insurgent attack at a traffic checkpoint near Tikrit killed an Iraqi police officer and wounded two others, Coppernoll said. Full Story