Watch: Liz Truss set to become Britain’s next prime minister

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The next prime minister of the U.K. will be announced Monday following a grueling, and at times bitter, leadership contest within the ruling Conservative Party.

The announcement is expected at 12:30 p.m. London time and will be delivered by Graham Brady, the chair of the 1922 Committee, which is a group of Conservative Members of Parliament who aren’t government ministers.

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After a drawn-out contest, the country’s ruling Conservative Party on Monday picked Liz Truss to be its new leader and the U.K.’s new prime minister.