All lanes of the southbound 405 Freeway in Brentwood have reopened after two people died in a multi-vehicle crash, including a Los Angeles Police Department sergeant, Monday morning. The California Highway Patrol cancelled the Sig Alert around 12:18 p.

A Los Angeles police sergeant and a motorist in his 30s were killed Monday morning, June 23, when the sergeant stopped on the southbound 405 Freeway to assist the man and both were struck by another vehicle.