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.