Shots fired at officers during Phoenix traffic stop

A police officer and suspect are in critical condition after exchanging gunfire Thursday night in north Phoenix, reports the CBS affiliate here, KPHO-TV. Phoenix Police Sgt. Mercedes Fortune said the officer pulled over a vehicle for a traffic stop and, once he left his cruiser, the suspect inside opened fire, shooting at least twice.Phoenix Police Chief Jeri Williams said the officer returned fire. She believes the officer was ambushed.Williams said the officer's training kicked in and he was a