Japan’s nuclear regulator said today it has officially raised the severity rating of the latest radioactive water leak at the crippled Fukushima nuclear plant to Level 3 on an international scale for radiological releases. The plant’s operator, Tokyo Electric Power Co (TEPCO), said last week that 330 tons of highly radioactive water leaked from a storage tank at the facility. Crews of workers have been rushing to check for leaks in hundreds of other tanks holding radioactive water. Japanese regulators have accusedTEPCO of failing to properly monitor the storage tanks. "The problem is going to get worse," warns Arnie Gundersen, a former nuclear industry executive who has coordinated projects at 70 nuclear power plants around the United States. "Radioactive water is leaking out of this plant as fast as it is leaking in."

By Fan-Yee Suen, CTV News  More than two years after a massive earthquake and tsunami destroyed the Fukushima Dai-ichi nuclear power plant in Japan, public confidence in the plant’s operators continues to sink as fresh leaks are being discovered in the plant's defence system.

Scientists at Japan’s Fukushima nuclear power plant are preparing for their toughest clean-up operation yet – two and a half years after three of the plant’s reactors suffered a meltdown in Japan’s worst-ever nuclear power disaster. The operation, to remove 400 tons of highly irradiated spent fuel beneath the plant’s damaged Reactor No. 4, could set off a catastrophe greater than any we have ever seen, independent experts warn