Boris Johnson has said Ukip's surge in the European elections shows those in favour of Britain's membership of the EU have been ignoring the "popular revolt".
Speaking to ITV News London's Simon Harris
Johnson says Euro poll sends a message to Eurocrats: they cannot go on as they have been endlessly dismissing popular revolt. @itvlondon
Johnson: It's plain that the whole project is in trouble, the Euro has gone catastrophically wrong in my view. @itvlondon