SHAFAQNA – At least 43 people were killed and more than 40 injured in three car-bomb attacks in Baghdad, Iraqi medical sources said Saturday. The three attacks took place in Shia neighborhoods, the sources said. One explosion occurred at a checkpoint at the entrance of al-Shaula neighborhood in northern Baghdad killing a number of Iraqi security forces and injuring others manning the checkpoint, the sources said. Another bomb went off at another checkpoint three kilometers away at the entrance of al-Kadhimya, also a northern Baghdad neighborhood, the sources said. Iraqi security forces were killed and injured.