The long-awaited demolition of the former County Hall annexe at the end of Westminster Bridge finally got under way on Thursday watched by a large audience.
The building, which has stood derelict for more than two decades, was last year voted the 11th ugliest in Britain in a poll carried out for Channel 4's Demolition series.
The demolition was started by Harrison Richards, 6, who has a cancer of the kidney, and was granted his wish by the Make-a-Wish Foundation
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