AZUSA, Calif. (AP) — Police fatally shot a man Sunday afternoon in California’s San Gabriel Valley. The man, whose name was not immediately released, was pronounced dead at the scene in Azusa around 1 p.m.

At least one officer, believed to be a member of the Azusa Police Department, opened fire in the shooting.

Detectives from the Los Angeles County Sheriff’s Department are assisting in the investigation, as is typical when such shootings occur in smaller police departments.

Authorities did not immediately say what led to the shooting. Azusa is about 25 miles northeast of downtown Los Angeles.