A demonstrator holds up a placard saying “Stand together Stop Brexit” at an anti-Brexit protest in Trafalgar Square in central London on June 28, 2016. EU leaders attempted to rescue the European project and Prime Minister David Cameron sought to calm fears over Britain’s vote to leave the bloc as ratings agencies downgraded the country. Britain has been pitched into uncertainty by the June 23 referendum result, with Cameron announcing his resignation, the economy facing a string of shocks and Scotland making a fresh threat to break away. / AFP PHOTO / JUSTIN TALLIS

Newly-installed British Prime Minister Boris Johnson on Wednesday promised to deliver Brexit on October 31 “no ifs, no buts” and prove wrong “the doubters, the doomsters, the gloomsters”.

Boris Johnson

Boris Johnson to appoint his Brexit team today(Opens in a new browser tab)

Speaking outside his Downing Street office after being formally appointed, Johnson — one of the key figures behind the 2016 Brexit referendum — promised to do a “new deal” with Brussels

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