Boris Johnson has refused to comment on reports that West Ham have reached an agreement with City Hall, on the share-out of any profits if the club were to be sold after moving into the stadium.
West Ham were named preferred bidders for the Olympic Stadium in December last year - but the parties have since been hammering out the details of any potential deal.
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Shocked neighbours have told of their fear and paid tribute to a "nice lady" found stabbed to death at her home in Muswell Hill.
The deputy leader of far-right group Britain First has been arrested in London over a speech made at a rally in Belfast this summer.
Captain Mike Green, a senior flying instructor, was piloting the two seater helicopter involved in the crash.