One Killed in Multi-Vehicle Crash on 405 Freeway

A fatal multi-vehicle crash occurred late Tuesday night on the southbound 405 Freeway near Harbor Boulevard in Costa Mesa, resulting in one death and multiple injuries. The collision, involving six vehicles, was reported around 11:37 p.m. and prompted the closure of all southbound lanes for several hours as authorities conducted an investigation. Traffic was significantly impacted, with one lane reopening by daybreak and full access restored shortly after 9:15 a.m. The California Highway Patrol is investigating the cause of the crash, with indications that alcohol might be a contributing factor for at least one driver. The identity of the deceased has not yet been disclosed, and the investigation continues to determine liability for the incident.