Authorities say a man and 10-year-old boy were killed in a drive-by shooting in Philadelphia hours after another drive-by claimed the life of a 1-year-old boy in Pittsburgh on the other side of the state – and on a violent holiday weekend that saw at least eight other homicides in Philadelphia.

Police say a 38-year-old man had just parked a car near his home in the Wissinoming section of northeast Philadelphia around 10:30 p.m. Sunday and was still inside with the 10-year-old boy when more than a dozen shots were fired. pulled from another vehicle.

Inspector DF Pace told reporters that at least 13 bullets came from two separate weapons, hitting both victims multiple times. The man and boy were taken to separate hospitals where both were pronounced dead. Their names have not been released.

Across the Commonwealth in western Pennsylvania, police announced the arrest in downtown Pittsburgh in the shooting death of a child identified by the County Medical Examiner’s Office Allegheny as one-year-old DeAvry Thomas.

Authorities said the child was fatally shot at an intersection not far from Market Square and the PPG Place complex around 2:45 p.m. Sunday. Deputy Chief Lavonnie Bickerstaff said neither the child nor his mother was the intended target. Officials said the vehicle was found in the Troy Hill neighborhood and announced homicide and criminal conspiracy charges against 26-year-old Londell Falconer on Monday. It was unclear if Falconer had an attorney; messages could not be left on Monday at the numbers given for this name.

In the Port Richmond neighborhood of northeast Philadelphia, just after 1 a.m. Monday, two women were shot and killed at a party and two other people were injured, including a 14-year-old girl.

In North Philadelphia shortly before 9:30 p.m. Sunday, another shooting killed a 56-year-old man and injured a 33-year-old woman. An unidentified man was shot dead in another part of North Philadelphia just after 1 a.m. Monday and a 66-year-old man was killed in another part of North Philadelphia shortly before 5 a.m. Monday.

In the second of three homicides on Saturday, a 34-year-old man was shot multiple times around 10:15 a.m. in East Germantown and later died in a hospital, and two women leaving a funeral service were also hit by the beatings. fire, one seriously injured, a police representative told the Philadelphia Inquirer.