BAGHDAD (AP) - Iraqi officials say attackers have struck police patrols in the city of Mosul, killing a police officer with a grenade and injuring 14 people in a car bomb blast.
The attacks Sunday highlight how the northern city remains a hub of insurgent activity despite big security gains in Iraq. American troops completed a withdrawal from Iraqi cities on June 30 ahead of a full U.S. withdrawal by the end of 2011.
Iraqi police and medical officials said one officer died and six other people, including two police, were injured in grenade attacks Sunday. Separately, a car bomb injured 14 people, including two police.

The officials spoke on condition of anonymity because they were not authorized to talk to the media.