Two dead in California Walmart centre shooting

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Los Angeles County Sheriff cruisers are pictured outside the Bianchi Theatres during an advanced screening of "Straight Outta Compton" in Paramount, California August 13, 2015. The movie opens in the U.S. on August 14. REUTERS/Mario Anzuoni - RTX1O7NW

A man has driven into a Walmart distribution centre in California and opened fire, killing one person and injuring four others before being shot dead by police.

The shooting by the 31-year-old man with a semi-automatic weapon started at about 3.30pm on Saturday.

The gunman had circled the car park four times before crashing into the building and opening fire with a semi-automatic long gun

Police shot the suspected armed shooter dead at the centre.