Iraqi officials say two separate suicide attacks north of Baghdad have killed at least three people, AP reported. A police officer in the city of Mosul says one attacker rammed his explosive-laden car into an army patrol on Monday, killing a soldier and a police officer. He says seven, including two civilians, were wounded. Mosul is 360 kilometers (220 miles) northwest of Baghdad. Another officer said a second bomber blew set off his explosive-rigged belt inside a university campus in the city of Tikrit, killing a police officer. The city is 130 kilometers (80 miles) north of Baghdad.