A man believed to be connected to the shooting death of Hollywood publicist Ronni Chasen apparently shot and killed himself at a Hollywood apartment Wednesday evening.

Police shut down a section of Santa Monica Boulevard in Beverly Hills as they investigated.

Chasen, 64, died from gunshots fired into her Mercedes-Benz as she turned off Sunset Boulevard on her way home from a star-studded premiere celebration for the movie "Burlesque" in the early morning of November 16.

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