Mayor of London, Boris Johnson, says he's delighted that the football festival will be held in Stratford.
"We are delighted that the UEFA Champions Festival is returning to London and especially that it will take place on the International Quarter close to Queen Elizabeth Olympic Park, the scene of our biggest sporting moment. It will provide a fantastic week-long family event and will revive the spirit of community and celebration that made last year's Olympic Games so special."
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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.