Update: Police activity has ended, suspect is in custody. 
UPDATE:
The police activity has ended, the suspect is in custody. Normal activity may resume. Please be patient while the surrounding area streets are re-opened. Traffic may be heavy for a short time, while the congestion from the closures clears up.
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LAPD Topanga Patrol Officers are currently working a radio call in the area of the 7200 block of De Soto Avenue.
Various streets may be closed temporarily, please avoid the area. We will provide further information as it becomes available.
Instructions:
Avoid the area.
Address/Location
LAPD - Topanga Area
21501 Schoenborn St
Los Angeles, CA 91304
Contact
Emergency: 9-1-1
Non-emergencies: 818-756-4800