A 20-year-old man was killed Monday evening, the victim of a shooting near Interstate 280 in San Francsico's Portola neighborhood.

According to the San Francisco Police Department, the man was shot at around 9:13 p.m. Monday near the intersection of San Bruno and Silver Avenues.

The victim, who has yet to be publicly identified by the San Francisco Medical Examiner's office, was transported to San Francisco General Hospital for treatment of his injuries. He was pronounced dead on arrival, police say.

The suspect in the shooting is described only as an "unknown male." Citing the ongoing investigation, a spokesperson with SFPD said that at present, no additional details regarding the motive behind or circumstances of the shooting were available.

The slaying is San Francisco's tenth homicide for 2016, following the fatal shooting of a man near the intersection of Santos Street and Sunnydale Avenue on Saturday, March 26.