Mayor of London Boris Johnson said the deal defied the "gloomsters" who predicted the stadium would become a "dusty relic".
“This is a truly momentous milestone for London’s spectacular Olympic Stadium ensuring its credible and sustainable future. Through this deal with West Ham United FC, we are defying the gloomsters who predicted this landmark would become a dusty relic.
“With a series of world class entertainment and sporting fixtures already in the bag for Queen Elizabeth Olympic Park, this iconic site is set to be the glittering centrepiece of ambitious regeneration plans for east London, which will capitalise on the Olympic investment into this area”.
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The victim, thought to be in his 40s, was attacked in Bromley at around 11:30am. His condition is still unknown.
The eagle-eyed resident spotted the mistake on signs just feet apart in south London.
The victim was attacked after bumping into a man at the ticket barrier at Putney Station.