The Prime Minister’s most senior and influential adviser, Dominic Cummings, has been forced out of Downing Street.
A power struggle had erupted, involving Mr Cummings and his ally Lee Cain, Downing Street’s Direct of Communications, who are both ardent supporters of Brexit.
They had been blamed for a series of communications crises and a macho culture at the heart of government.
Their departure also raises questions about the future direction of UK government policy, at a time when negotiations with the EU about a post-Brexit trade deal have reached a crunch point.
Sophie Raworth presents BBC News at Ten reporting by deputy political editor Vicki Young.
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