The world's largest nuclear power plant is shut down when a cooling pump malfunctions, although no radiation leak is reported. The plant is located about 135 miles northwest of Tokyo. A laboratory fire in a uranium-enrichment laboratory northeast of Tokyo is extinguished after it burns for an hour. No injuries or radioactive leaks are reported. A small amount of radiation is leaked at a nuclear complex northwest of Tokyo.
Officials say none of the radiation contaminated the atmosphere.
At least a ton of liquid sodium leaks from a cooling system in a reactor in Tsuruga, about 220 miles west of Tokyo. Although no injuries or radiation leaks are reported, a cover-up of the damage is discovered, including falsified reports and hidden video footage. The reactor is closed for a year by the government. But we have no alternative right now. We need electricity.