March 12, 2011 THE COAL SPEAKER Latest on the meltdown: The Nuclear and Industrial Safety Agency (NISA) said Saturday afternoon the explosion at the Fukushima No. 1 nuclear plant could only have been caused by a meltdown of the reactor core FacebookTwitter Latest on the meltdown: The Nuclear and Industrial Safety Agency (NISA) said Saturday afternoon the explosion at the Fukushima No. 1 nuclear plant could only have been caused by a meltdown of the reactor core FacebookTwitter Tweet Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window) Related