Three other people have been treated in hospital.
Who Is Ex-Oxon Schoolboy Sir Phillip Green?
Sir Phillip Green, who studied at the former Jewish boarding school Carmel College in Wallingford has a fortune according to the Sunday Times Rich List stands at £3.22 billion.
The vast majority that wealth has come from the Arcadia retail empire, which he bought in 2002 and which controls brands including Topshop, Topman, Burton, Dorothy Perkins and Miss Selfridge.
That empire has allowed them to live life in the fast lane, a world of superyachts, apartments in Monaco and friendships with the likes of supermodel Kate Moss.
But it is BHS, which he bought in 2000, that has seen Sir Philip in the news - and in front of MPs - in recent months.
Its collapse in April left 11,000 people out of work and a £571 million black hole in its pensions fund.
The Topshop tycoon has come under fire for taking £400 million in dividends from BHS before selling the massively indebted firm for £1 in 2015 to businessman Dominic Chappell.
Mr Chappell had no previous retail experience and had been declared bankrupt twice.
Appearing in June before MPs from the Commons' Business Innovation and Skills, and Work and Pensions committees, Sir Philip admitted that he sold the business to the ``wrong guy'', adding that he will ``sort'' the firm's pension scheme.
He had previously threatened not to appear in front of their inquiry into the collapse, accusing Labour's Frank Field, who chairs the Work and Pensions committee, of bias and ``doing the very best to destroy my reputation''.
Sir Philip's knighthood is being reviewed in the wake of the store chain's collapse.
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