Malaysia’s two-time prime minister Mahathir Mohamad has been admitted to hospital for observation, his office confirmed on Wednesday, in the latest health scare involving the 101-year-old. Mahathir was admitted to the National Heart Institute (IJN) on Tuesday night, barely a day after his wife of 70 years, Siti Hasmah Mohamad Ali, died at the same hospital. It is unclear why the former leader was admitted. Sufi Yusoff, Mahathir’s long-time aide, told reporters that they were awaiting diagnosis...