Seven people were killed in separate shootings on Monday in Philadelphia, police said.

The last victim of a violent day was a 15-year-old boy who was gunned down in South Philadelphia.

Shortly before 8 p.m., the teen was outside in the 2900 block of Morris Street when he was shot in the chest, knee, and arm. He ran to the 1700 block of South Hollywood Street and collapsed. Police took him to Penn Presbyterian Medical Center, where he was pronounced dead at 8:20.

Police did not release the victim’s name, and reported no arrests or other details in the slaying.

Much earlier, around 3:20 p.m., police responded to a building on the 2900 block of Rosehill Street in Kensington where they found two men dead from gunshot wounds on the second floor. Police said a 42-year-old man was found in a middle bedroom with several gunshot wounds to his chest. An unidentified man was found in a hallway shot in the head and chest. Both were pronounced dead at the scene by medics.

The first killings reported Monday happened shortly before 1 a.m. inside a residence in the 500 block of West Hill Creek Drive in Crescentville. A man and woman, both 24, were found fatally shot. Their names were not released and no other details were available.

Not long after that incident, around 2:15 p.m. in the city’s Olney section, a 25-year-old woman was killed and a 29-year-old man wounded in a shooting that happened outside on the 200 block of Rubicam Street.

Medics took the woman, who had been shot twice in the head and once in the leg, to Einstein Medical Center, where she was pronounced dead at 2:54. The man, who was shot in the left shoulder, was taken by private vehicle to Einstein and was listed in stable condition.

Police reported no arrests or other details.

Shortly before 8:20 a.m., a 54-year-old woman was found dead inside a counseling facility in the 4200 block of Ridge Avenue in East Falls. Police said the woman worked as a supervisor and had been shot in the head. Homicide detectives were investigating the case.