An 18-year-old man was killed and a 12-year-old girl was wounded in a triple shooting Thursday night in North Philadelphia, police said.

About an hour later, an 11-year-old boy was wounded in a double shooting in Southwest Philadelphia.

And two other men also were fatally shot in another violent night in the city that just topped 400 homicides last weekend.

The earlier shooting was reported at 7:45 p.m. outside on the 1500 block of West Lehigh Avenue, police said. The 18-year-old man was shot several times in the chest. He was taken by medics to Temple University Hospital, where he was pronounced dead at 7:59.

The girl, who was shot in the chest and right arm, and a 31-year-old man with a graze wound to his left arm also were taken to Temple. Both were reported in stable condition.

Police said surveillance video showed three males exiting a Chevrolet Impala, open fire, and drive off.

Just before 8:55 p.m., a double shooting was reported outside on the 5700 block of Elmwood Avenue. Police found a 46-year-old man with two gunshot wounds to his left leg. he was taken to Penn Presbyterian Medical Center, where he was listed in stable condition.

Police later learned that an 11-year-old boy shot in his left torso, left arm, and right knee was taken from the scene by private vehicle to Children’s Hospital of Philadelphia. The boy was reported in stable conditon.

No arrests were reported in that case.

A second homicide was reported in Southwest Philadelphia. About 8:10 p.m., a 40-year-old man was outside in the area of 58th and Trinity Streets when he was shot twice in the right cheek and once in the neck. He was taken by police to Penn Presbyterian and pronounced dead at 8:20.

The third homicide of the night happened in West Philadelphia. Just before 10 p.m., a 53-year-old man was outside on the 5600 block of Walton Avenue when he was shot once in the right side of his chest. He was taken to Penn Presbyterian and pronounced dead at 10:37.

Also in North Philadelphia just after 7:35 p.m., a 15-year-old boy was critically wounded in a shooting outside on the 2000 block of North 20th Street. Police took the victim, who was shot several times in the abdomen and legs, to Temple.

No arrests were reported in those cases.

Around 10 p.m., an unidentified man in his late 20s or early 30s was inside a residence on the 5700 block of Vandyke Street in Wissinoming when he was shot in the head. He was transported by police to Jefferson Torresdale Hospital, where he was listed in critical condition.

Police reported that a possible suspect was in detained and a gun was recovered.