Mayor Cherelle Parker says there were at least 3 shooters in the Fairmount Park shooting that killed 2 and injured 9 others Monday night. "I was unfortunately just informed that because they found three different types of casings, we know that there were three shooters thus far. So, it is not one,” Mayor Parker said during a press conference Tuesday. Police were investigating whether there was an exchange of gunfire at the event, Bethel said. Amya Devlin, 23, and Mikhail Bowers, 21, were killed and several others were injured — including a 15, 16 and 17-year-old — in the shooting on the 800 block of Lemon Hill Drive, near the Lemon Hill Mansion, just before 10:30 p.m. All of the wounded were reported to be in stable condition, Philadelphia Police Commissioner Kevin Bethel said early Tuesday morning. #philadelphia #philly #lemonhill #fairmountpark #fairmount #philadelphiapolice