Here's some very good news:
Originally Posted by NHK
The operation of all 4 reactors at the quake-stricken Fukushima No.2 nuclear power plant has been brought to a halt.
Tokyo Electric Power Company says the 4th reactor at the No.2 plant was safely brought to a stop at around 7:00 AM on Tuesday. It also says the reactor's temperature dropped below 100 degrees Celsius after its cooling function was restored. The reactor's cooling system was damaged in Friday's massive earthquake and ensuing tsunami.