Boris Johnson will run for UK leadership and has the numbers needed, minister says

London Mayor Boris Johnson speaks to the media in front of his home in London, Britain February 22, 2016. Johnson threw his weight on Sunday behind the campaign to leave the European Union, dealing a blow to David Cameron by increasing the chance British voters will ditch membership in a June referendum.

LONDON, Oct 23 (Reuters) – Boris Johnson will enter the race to replace Liz Truss as British prime minister, Northern Ireland Secretary Chris Heaton Harris told Sky News on Sunday, saying the former leader had enough support from lawmakers to pass the 100-vote threshold.