PHILADELPHIA (AP) — Philadelphia police are investigating a drive-by shooting that left two people dead and four others injured.

Police say the shooting happened around 10 p.m. Wednesday. Authorities say a minivan stopped and fired at a crowd of people standing on a corner.

Police Commissioner Richard Ross says a man and a woman, both in their 30s, were killed. Ross says the other victims range in age from 27 to 49.

Ross says one of the firearms used was an assault weapon.