PHILADELPHIA — Three Philadelphia police officers were shot in North Philadelphia Wednesday morning, and a 19-year-old suspect was killed in the resulting gun battle, officials said. First Deputy Commissioner John Stanford told reporters a suspect opened fire while officers were attempting to serve a warrant for an August homicide in the 22nd District on the 800 block of North 10th Street in the West Poplar neighborhood around 6:30 a.m. Stanford said the suspect attempted to flee, was shot during the melee and taken to the Temple University Hospital, where he was pronounced dead at 7:32 a.m. W…