Walnut Creek Police investigate Sunday afternoon officer-involved shooting

Walnut Creek police say they are investigating an officer-involved shooting in the area of Orchard Lane and Arlene Lane, a neighborhood of single-family houses about a half-mile south of Kaiser Permanente Medical Center.

No other details, including whether anyone was killed or injured, were released.

Walnut Creek police released the information on Twitter at 6:39 p.m. Sunday.

This story is developing.