Nuclear watchdog says its chief, Yukiya Amano, has died at 72

VIENNA -- Yukiya Amano, the Japanese diplomat who led the International Atomic Energy Agency for a decade and was extensively involved in negotiations over Iran's nuclear program and the cleanup of the 2011 Fukushima nuclear disaster, has died at 72, the agency announced Monday. Amano, who had wide experience in disarmament, non-proliferation diplomacy and nuclear energy issues, had been chief of the key UN agency that regulates nuclear use worldwide since 2009. The news of his death comes at a