Officials say attacks in Iraq have killed at least four people, AP reported.Major Raid Emad Rasheed says a suicide bomber rammed his explosives-laden truck into a police station in the northern city of Kirkuk, killing two people there and wounding 55, some critically.A police officer says a roadside bomb struck an army patrol southeast of Baghdad, in the Madain area, killing one soldier and wounding another.The officer says another bomb hit a patrol of pro-government in Baghdad's southeastern suburb of Jisr Diyala, killing one fighter and wounding four.