A broken water main in the lower part of the Hollywood Hills caused flooding and mud flows today, undermining a hillside sloping down to Sunset Boulevard and closing a number of streets, the Los Angeles Fire Department. Photo via OnScene.TV.
A broken water main in the lower part of the Hollywood Hills caused flooding and mud flows, undermining a hillside sloping down to Sunset Boulevard and closing a number of streets. Photo via OnScene.TV.

A broken fire hydrant caused flooding and mud flows in the Hollywood Hills Wednesday, undermining a hillside sloping down to Sunset Boulevard and closing a number of streets, authorities said.

The problem, initially thought to have been caused by a water main break, was reported in the 8400 block of Grandview Drive around 12:30 a.m., according to the Los Angeles Department of Water and Power. It was not immediately known what caused the break in the hydrant.

The gushing water undermined the hillside and sent debris and mud onto a number of streets, including Hillside and Franklin avenues and Kings and Queens roads, according to the Los Angeles Fire Department. A number of streets above Sunset Boulevard were shut down because of the debris.

Crews shut off the flow of water and worked on repairs. Water service to customers was not interrupted, the LADWP reported.

A command post to coordinate repair efforts and street closures was set up on Kings Road near Sunset Boulevard. There was no immediate word on when repairs and debris cleanup would be completed.

—City News Service

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