Insurgents detonated four car bombs and attacked police stations in the Iraqi city of Samarra on Saturday, killing at least 37 people and wounding 62, police and health officials said. The fourth blast occurred at 12:30 when a suicide bomber rammed a car into a police station, killing 10 Iraqi police officers and wounding five, police said. A health official said 23 people, including nine policemen, were killed and 40 wounded, among them 17 policemen, in the first three bomb explosions in the Sunni Muslim city. The attacks in Samarra came as U.S. forces prepared for a full-scale offensive against the rebel strongholds of Falluja and Ramadi, in Iraq’s central Sunni heartland. Full Story