Boris Johnson, former U.K. foreign secretary, gestures during the launch of his campaign to become the next leader of the U.K. Conservative party in London, U.K., on Wednesday, June 12, 2019. Johnson is the favorite of the 10 candidates to succeed Theresa May, and the one who has said by far the least about how he would tackle the biggest problem that the nation faces. Photographer: Chris Ratcliffe/Bloomberg
Boris Johnson said public divison would remain until Brexit was resolved. Bloomberg

UK must leave EU by October 31, says Boris Johnson