92-year-old Mahathir sworn in as Malaysian PM

Malaysia's new Prime Minister Mahathir Mohamad (C) attends a press conference in Petaling Jaya, Selangor, Malaysia, May 10, 2018. Mahathir Mohamad, 92, a former Malaysian prime minister who led the opposition to achieve a stunning victory in the general election, took the oath of office on Thursday night, becoming the world's oldest government leader. (Xinhua/Zhu Wei)