Japanese Prime Minister Naoto Kan attends a meeting on crisis of the Fukushima No. 1 nuclear power plant in Tokyo, Japan, March 15, 2011. Naoto Kan on Tuesday urged people within 30 kilometers of the facility, located about 220 kilometers north of Tokyo, to remain indoors, not to collect washings hanging outside and to switch off air-conditioners to avoid air exchange with airborne radioactive substances. [Xinhua/Kyodo]