Malaysia's Mahathir returns as interim PM amid political uncertainty

Malaysia's Mahathir Mohamad went back to work on Tuesday with the new title of interim prime minister, a day after he resigned the leadership in a shock move that plunged the country into political turmoil. Mahathir, who at 94 is the world's oldest government leader, made no comment as he arrived by car at his office in Putrajaya. He disbanded his entire cabinet late on Monday