HUNTINGTON BEACH (CBSLA.com) — Authorities say a stretch of Huntington Beach has been closed due to the sighting of three sharks.

Just before 3 p.m. Sunday, an Orange County Sheriff’s helicopter spotted some great white sharks near Anderson Street off Sunset Beach.

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As a result of the sighting as well as last week’s shark attack, authorities decided to close the water from Warner Avenue to Anderson Street, a one-mile stretch.

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Though there was no known aggressive behavior, the sharks were reported to be over eight-feet in size.

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The beach is expected to reopen Monday.