Philadelphia police are searching for three suspects wanted in connection with the mass shooting in Grays Ferry that killed three men.

Three people were killed and nine others wounded in a mass shooting early Monday morning in South Philadelphia, police said. The deceased victims were identified only as a 24-year-old man, a 23-year-old man and a 19-year-old man, local CBS affiliate KYW reported.

Victims included a 15-year-old girl, two 17-year-old boys, and several adults. Three men — ages 19, 23 and 24 — were killed. A 19-year-old man who was shot twice in the head remains in critical condition.