Hydrogen Explosion at Fukushima Reactor No. 3

“A hydrogen explosion occurred at Tokyo Electric Power Co.’s Fukushima Dai-Ichi No. 3 reactor at 11:01 a.m. local time today, Japan’s Ministry of Economy, Trade and Industry said…

On March 12 a hydrogen leak caused a blast that destroyed the walls of the No. 1 reactor. Four workers were injured in the explosion, while no damage was reported to the container holding the reactor’s radioactive core, according to Tokyo Electric…”  Read more.