One suspect is dead and another is at large in an officer-involved shooting in Sunnyvale, the Sunnyvale Department of Public Safety said Saturday.

Public safety officials first tweeted about the shooting, which reportedly occurred on the 700 block of San Aleso Avenue, at 5:55 p.m. [[321975282, C]]

Officers are looking for a black man wearing blue jeans and red or orange shirt, according to a tweet by officials. [[321976052, C]]

2/2 Ongoing Police Activity - Second suspect was located and was being treated by medics. More details as they become available for release. — Sunnyvale DPS (@SunnyvaleDPS) August 16, 2015

Police, who recovered a handgun near the deceased suspect, believe the outstanding suspect is "armed and dangerous," a tweet said.

The man was last seen near the intersection of Borregas Avenue with East and West Ferndale avenues, public safety officials said.

Further details were not immediately available. [[321976372, C]]