Philadelphia police say two of three shootings are related.
Officers were first called to the 6600 block of Paschall Avenue around 11:30 p.m. Sunday.
A gunshot victim there was critically wounded.
Police believe that shooting is related to another incident in the 6700 block of Linmore Avenue in the same section of the city.
That victim is in stable condition.
Then, officers responded to a shooting in the 6000 block of Delancy Street in Southwest Philadelphia around 4 a.m. Monday.
Police say they found a man shot in the head and the hand. He is in serious condition.
Investigators are still trying to track down the shooters.
