South Korean residents in Japan and South Korean nationals queue to check into a flight to South Korea, at Narita airport, east of Tokyo March 17, 2011. Foreigners are leaving Tokyo, or shutting themselves indoors, and supermarket shelves are running empty despite authorities assuring citizens there is no need to panic from the crisis unfolding at a quake-stricken nuclear power plant. REUTERS/Issei Kato (JAPAN - Tags: DISASTER ENVIRONMENT TRANSPORT POLITICS)