Iraq has been engulfed in violence for many months . Islamic army killed three The United Nations -linked militants in southern Anbar , federal police official says . Roadside bombs killed two police officers elsewhere in the city , police say . Soldiers killed two gunmen who tried to attack an army checkpoint , according to police . Gunmen killed a civilian driver , police say .
Islamic army killed three The United Nations -linked militants in southern Anbar , federal police official says . Roadside bombs killed two police officers elsewhere in the city , police say . Soldiers killed two gunmen who tried to attack an army checkpoint , according to police . Gunmen killed a civilian driver , police say .