Hampton stabbing: Four women attacked near Sainsbury's car park
One victim suffered life-threatening injuries after 'completely unprovoked' attack in west London
A woman has been airlifted to hospital with life-threatening injuries after she was stabbed near a supermarket car park in west London
Another three women were also injured in what witnessed describe as a "completely unprovoked attack" near a Sainsbury's store in Hampton.
Emergency services were called to the scene at 10.35am after receiving reports of a man wielding a knife.
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Police have arrested a man in his sixties on suspicion of attempted murder. The incident was not believed to be terror-related, the Metropolitan Police told The Guardian.
"We treated four women at the scene for various stab wounds, including to the chest, legs and back," said a spokesperson for the London ambulance service.
Witness and local business owner Ben Brady told the BBC: "After stabbing the ladies, [the attacker] was just walking down the road waving the knife around."
A staff member from a nearby pub said it "didn't seem like they knew him" and added that he appeared to be "out of it".
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"If it had been 10 or 20 minutes earlier there would have been children there because it's right outside a primary school," she said.