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Mr Mahathir returned to power in 2018
The Malaysian prime minister, 94-year-old Mahathir Mohamad, has submitted his resignation to the king.
Mr Mahathir’s resignation comes amid rumours that he may form a new coalition without his promised successor, Anwar Ibrahim.
The world’s oldest prime minister came into power in 2018.
In a shock victory, he ousted then-prime minister Najib Razak, who has been linked to a multibillion-dollar scandal involving a government fund.
The Prime Minister’s Office said the letter of resignation had been submitted at 13:00 local time (05:00 GMT). No other details were included in the statement.
Mr Mahathir has dominated Malaysian politics for decades – he was previously prime minister from 1981 to 2003, and was part of the long-ruling party Barisan Nasional.
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