BRADDOCK, Pa [WPXI]— A woman and a man are dead and several others injured following two shootings in Pittsburgh and one in Braddock Friday night into Saturday morning. According to WPXI and the Allegheny County Police, around 2 a.m. 911 was notified of a shooting in the 800 block of Braddock Avenue. When first responders arrived on scene, they found the victims. Investigators say that a small group of people were on a sidewalk on Braddock Avenue when an unknown person began firing at them from the other side of the street. Meanwhile, at around 2:30 a.m., police were called to Bedford Dwellings and found an unresponsive man, who was taken to a hospital and later died. In another incident, two people were shot on North Dallas Street in Homewood. They are in critical conditions. Police continue their investigation into all three cases. Anyone with information concerning these incident is asked to call the County Police Tip Line 1-833-ALL-TIPS. Callers can remain anonymous.