Police officers have launched an investigation into a recent shooting in San Francisco that left three victims wounded and admitted to the hospital early Sunday morning.

The shooting, which occurred around 4:10 a.m., happened in the city’s Tenderloin neighborhood, specifically near the corner of Golden Gate Avenue and Hyde Street, police reports said.

Authorities said an armed assailant opened fire on a group of people at the corner. The perpetrators shot three men before fleeing the scene. The suspect is described as a man in his 30s. Police officers have yet to make arrests, as of writing.