end in philadelphia overnight. >> shots fired at police. >> reporter: six police officers were shot on wednesday afternoon. it all started around 4:30 p.m. when officers tried to serve a drug warrant. >> they had already entered the premises and got towards the rear, in the kitchen area, when gunfire erupted. >> it was like a hundred shots. >> reporter: the gunman targeting police officers as more of them arrived at the scene. >> shots still are i thiringing. give me s.w.a.t. asap. >> the shooter fired multiple rounds. officers returned fire. many had to escape through windows and doors to get through a barrage of bullets. >> reporter: residents looking on as police swarm the streets. some wearing tactical gear trying to negotiate with the suspect. after bullets ricochet off a building nearby onto the sidewalk. you can see an officer help another from the ground taking