Four men were killed and four injured, all from gunshots, in an especially violent weekend in Philadelphia.

Police provided the following accounts:

At about 5 p.m. Saturday, a man waiting inside a barbershop on the 5100 block of Westminster Avenue in Southwest Philadelphia got into an argument with another man and shot him in the upper left thigh. The victim, whose age was not provided, was taken by private car to Penn Presbyterian Medical Center, where he was in stable condition Sunday.

A search was ongoing for the gunman, who was described as black, between 25 and 30, with short hair and wearing a red T-shirt, blue jeans and a white tight-fitting hooded sweatshirt.

Shortly before 9:30 p.m. Saturday, police responding to a call of a person with a gun on the 5500 block of Locust Street in West Philadelphia found a 22-year-old man lying on the road with gunshot wounds to the face and torso. He was taken to Penn Presbyterian, where he was pronounced dead at 9:57 p.m.

At 11:54 p.m. Saturday on the 200 block of East Ontario Street in the city's Kensington section, a 38-year-old man was shot twice on the right side. Police took him to Temple University Hospital, where he was in stable condition Sunday.

At 12:10 a.m. Sunday, police again responded to a report of a person with a gun, this time in the 6600 block of Guyer Avenue in Southwest Philadelphia, and found another 22-year-old man lying face-down with multiple gunshot wounds to the head and body. He was pronounced dead at the scene at 12:15 a.m.

At 8:18 a.m. Sunday, a man believed to be in his 30s or 40s, with a gunshot wound to the right-upper thigh, was found in a vacant lot on the 800 block of West Huntingdon Street in North Philadelphia. He was pronounced dead at the scene.

Just before 2 p.m. Sunday, a 23-year-old man with multiple gunshot wounds to the neck, chest and leg at 75th Street and Elmwood Avenue in Southwest Philadelphia was taken to Penn Presbyterian, where he was pronounced dead at 2:18 p.m. A 24-year-old man shot once in the left hip and a 21-year-old man shot twice in the right leg were also taken to Penn Presbyterian, where they were reported in stable condition Sunday.

No arrests were reported in any of the shootings. Police did not release the identities of the victims.