The Fukushima Daiichi nuclear plant was crippled by the March tsunami . Hide Caption 3 of 11 Photos: -- Efforts to stabilize Japan 's Fukushima Daiichi nuclear plant , crippled by a March tsunami which triggered a nuclear crisis , are running ahead of schedule , according to the president of the Tokyo Electric Power Company , which operates the plant . Large amounts of radioactive water are the most difficult issue , he says .
The Fukushima Daiichi nuclear plant was crippled by the March tsunami . Hide Caption 3 of 11 Photos: Large amounts of radioactive water are the most difficult issue , he says .