Four car bombs exploded in apparently coordinated attacks in the restive northern oil city of Kirkuk on Sunday, killing at least seven people, police said. They said three of the four blasts were suicide attacks. All took place within an hour and came just a week after a major security crackdown in the city that netted scores of suspects and hundreds of weapons. One of the bombs exploded near a girls’ school, wounding some students, but police said the target was the nearby headquarters of an Iraqi force responsible for guarding government installations, mostly oil infrastructure. Full Story