PHILADELPHIA (CBS) — Philadelphia police are trying to track down who stabbed a man and a teenager in Frankford.READ MORE: Police Asking For Public's Help In Obtaining Cellphone Video Of July 4 Parkway Shooting That Injured 2 Officers
The attack that happened as a birthday party turned violent on the 5400 block of Akron Street around 1:30 a.m. Sunday.READ MORE: Kyle Schwarber Homers Twice, Phillies Still Fall To Nationals 3-2
A 19-year-old man is in critical condition after he was stabbed six times in the back.
A 17-year-old boy is in stable condition with stab wounds to the stomach and arm.MORE NEWS: Sergio Diggs, Philadelphia Police Officer Shot On Parkway, Recalls Fourth Of July Incident
So far, there is no word on the motive for the attack.