Christopher Rodrigues, Chairman from VisitBritain:
Security is of course paramount, but it would be a tragedy if all the work being put in to showcase Britain around the Jubilee and the Olympics was undermined by a negative first impression as the world's press arrives to cover these events.
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The Number 91 was travelling from Trafalgar Square to Tottenham in north London when it came to an unexpected halt.
It didn't take long for the converted flower shop to be snapped up. 220,000 people looked at the advert on Zoopla.
Glen Hazel, who was an 11-year-old schoolboy, has a clear memory of the events of 1966.