Japanese Prime Minister Naoto Kan warned Tuesday that the risk of further releases of radioactive material from the plant remains "very high."
Radioactive steam has been released intentionally to lessen growing pressure in the reactors. But radiation levels at the plant increased Tuesday to "levels that can impact human health," Chief Cabinet Secretary Yukio Edano told reporters.
The announcement came after an explosion at the plant's No. 2 reactor. In addition, Edano said, the building housing the No. 4 unit -- which had been shut down before Friday's earthquake -- was burning Tuesday morning,
I wish a very good layover to all the pilots flying there....
