Six people were killed in Iraq on Saturday in suicide and bombing attacks, dpa quoted police officials as saying. In the city of Baquba, a suicide bomber targeted a bus carrying Iranian tourists on their way to Baghdad. The blast, which took place in the city that is 57 kilometres north-east of Baghdad, killed two passengers and wounded seven. Three Iraqis were killed in separate attacks in Baquba, security sources said. In the northern city of Mosul, gunmen killed one person, while a car bombing wounded 20 people, most of them soldiers.