Nuclear, Japan Earthquake | featured news

The last-ditch move indicates that the backup cooling system in a second quake-damaged reactor has failed. Japanese officials say radiation levels at another reactor being pumped with seawater have fallen, but hydrogen gas is building in a third.

Japan declared states of emergency for five nuclear reactors at two power plants after the units lost cooling ability in the aftermath of Friday's powerful earthquake. Thousands of residents were evacuated as workers struggled to get the reactors under control to prevent meltdowns....