London Mayor Boris Johnson is desperate to be prime minister but would rather see David Cameron "fail miserably" at the next election than betray him, former government spin doctor Andy Coulson has said.
Mr Coulson, former No10 director of communications, advised Downing Street to support the mayor's good ideas, "advise privately on the bad ones, but only engage publicly if absolutely necessary - and celebrate Boris's considerable successes".
More top news
The decision was made after two Russian athletes failed drugs tests at the PyeongChang Games.
Sunday will be dry and largely sunny, although there will be some patchy cloud, mainly across eastern Scotland and eastern England.
County lines crime is to be targeted in a new scheme designed to steer young people and children away from exploitative gangs.