paolo sandeval starts us off in philadelphia. look, a big shooting there, philadelphia, city officials had strong reaction. what did they say? >> reporter: there reallppened shoot outbrokeout. we heard from police basically what led up to the shootout. they claim the lives of three people that left 11 wounded. we understand this was an altercation. those shots rang out. philadelphia pd at least two uniformed officers were on patrol here last night. were able respond to care for the wounded but also engaged that actual suspect. that caused him to drop that pistol. he fled, so investigators are still trying to track him down. they've already recovered two what they believe were five firearms used in that shooting. now three people are dead. two men, one woman and 11 people wounded. their ages ranging from 17 to 69. the police commission saying many were innocent bystand essers in all this. what i heard when the police commissioner was speaking was certainly a lot of frustration as he fears that the rates of these kind of shootings