SAN BRUNO (CBS SF) — Investigators continued their search early Sunday for a gunman who opened fire on a group of people standing outside a San Bruno apartment complex.

San Bruno police said the incident took place at 7:44 p.m. Friday in 800 block of Huntington Ave.

By the time officers arrives, everyone had fled the scene but a home and a vehicle found at the scene had been struck by gunfire. There were no reports of injuries.

Police said the investigation was ongoing. The incident was believed to be gang-related.