Our correspondent Simon Harris has been tweeting from the press conference on the Olympic stadium deal.
Mayor says deal means no more subsidies for the stadium (apart from the obvious millions on conversion). @itvlondon
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A lamp in the tower which houses Big Ben is to be switched off for the first time in more than 70 years.
Sir Bruce entertained audiences for more than seven decades.
Work in the tower will also pause over the bank holiday weekend.