TOKYO — Japan's nuclear regulator on Wednesday upgraded the rating of a leak of radiation-contaminated water from a tank at its tsunami-wrecked nuclear plant to a "serious incident" on an international scale, and it castigated the plant operator for failing to catch the problem earlier.
The Nuclear...
Winds are set to blow low-level radiation from Japan's quake-crippled nuclear power plant out over the Pacific Ocean in coming hours, easing health worries after drifting toward Tokyo early on Tuesday, experts said.
After the more serious 1986 Chernobyl disaster in the Sovie...