UK Conservatives Pick New Prime Minister

Anti-Brexit demonstrators wave EU and Union flags opposite the Houses of Parliament in London on June 19, 2018. Henry Nicholls/Reuters

LONDON—It’s anticipated Boris Johnson will emerge the winner of the Conservative Party leadership race in the UK.

About 160,000 party members were eligible to vote by Monday, July 22 for their next leader—and the man who will be Britain’s next Prime Minister. The winner will be revealed at 11 a.m. on Tuesday, local time.