King Charles III has appointed Rishi Sunak prime minister of Britain after the monarch accepted the resignation of Liz Truss who served just 49 days in office.

The new Conservative leader was invited to form a government by Charles when they met at Buckingham Palace on Tuesday after Truss departed as the shortest-serving prime minister in British history.

Sunak, 42, is the UK's first Hindu PM, the first of Asian heritage and the youngest for more than 200 years.

The former chancellor was expected to address the nation from Downing Street shortly after leaving the palace.

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