On the evening of November 21, 2023, a mass shooting in the Fairhill section of North Philadelphia left 38-year-old Philadelphia resident Leon Pierre dead. The attack occurred about 8:30 p.m. near North 6th Street and Allegheny Avenue, where police found that at least 70 shots had been fired and seven men were struck by gunfire.

Pierre and 31-year-old Roger Marquez suffered multiple bullet wounds and were taken to Temple University Hospital, where both were pronounced dead around 9 p.m. The other victims, aged 19 to 34, were treated for gunshot injuries and reported in critical or stable condition. Police recovered several firearms and narcotics at the scene, and the interim police commissioner said the block had a history of narcotics activity; investigators said the exact circumstances leading to the shooting remained unclear and no arrests had been announced.

Anyone with information about what happened that night is asked to contact investigators.