Boris Johnson has provoked a bitter row over affordable housing after unveiling plans for a luxury floating village. The London mayor described the development in the Royal docks as a new 'Venice of the North'.
But Newham Council said the designer homes would be too expensive for local people.
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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.