Malaysia's Muhyiddin Yassin has stepped down today as prime minister  after months of political turmoil culminated in the loss of his majority.<br />'' <br />''Mr. Muhyidddin's departure comes less than 18 months after taking office and will plunge the country into a fresh crisis amid a worsening pandemic.<br />'' <br />''<span style="color: #222222;">Political leaders have already begun to jostle for the top post, with his deputy Ismail Sabri rallying support to succeed Mr. Muhyiddin and keep the government intact.</span><br />