The content originally appeared on: CNN Abu Dhabi, United Arab Emirates CNN - Iran's Supreme Leader Ayatollah Seyyed Ali Khamenei was seen attending an event at a mosque in Tehran on Saturday, according to pictures and a video published on Iran's government websites and state media, one day after reports circulated about of his deteriorating health. One picture showed Ayatollah Khamenei wearing a mask and greeting the crowd attending the ceremony, which marked the 40th day after the martyrdom of […]