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WILKINSBURG, Pa. - Five people were killed and three people were hurt Wednesday in a mass shooting in Wilkinsburg, Pennsylvania, near Pittsburgh, according to WPXI-TV.
Here's what we know now.
1. The shooting occurred at a backyard party/cookout. At least two gunmen opened fire in an ambush-style attack at the Franklin Avenue home, according to authorities. Police said the ballistic evidence at the scene leads investigators to believe that two different weapons were discharged by two different people. Shots were fired from an alley to the rear of the home.
Police said partygoers appeared to try to run into the home, at which point a person on the side or in the backyard adjacent to the house fired at the back porch.
A motive wasn't immediately known.
2. Four women and one man were killed. Three women and a man were pronounced dead at the scene, according to WPXI. A fourth woman was pronounced dead at a hospital.
3. Two men and a woman were injured. They were taken from the scene in ambulances. Of those victims, the two men were listed in critical condition, and the woman was listed in stable condition, police said.
4. The gunmen are still on the loose. Anyone who saw or heard anything is asked to contact the Allegheny County Police homicide unit at 412-473-1300. Callers can remain anonymous.
5. A witness said at least 20 shots were fired. A witness told WPXI that she was walking home when she heard the shots and saw people running from the area. She said authorities kept her from getting to her home on Franklin Avenue, which she described as a quiet street.