News analysis
Expect fierce confrontation in coming weeks as British PM race hots up
Sunak, Truss face off in nationwide party vote, but neither has powerful support
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The leading candidates seeking to become Britain's next prime minister are rushing to launch their national campaigns soon after winning the nomination of their ruling Conservative Party.
Former finance minister Rishi Sunak and Foreign Secretary Liz Truss emerged as the top candidates in a ballot of Conservative MPs.
