Radioactive Releases in Japan Could Last Months, Experts Say

Radioactive Releases in Japan Could Last Months, Experts Say

By DAVID E. SANGER and MATTHEW L. WALD

Experts in Japan and the United States said that the releases from nuclear plants could go on for weeks or months. Officials are also reporting a new explosion.

• Radiation Risk Is Seen as Low for Now
• Japan's Nuclear Crisis Stokes Fear in Europe
• Military Crew Said to Be Exposed to Radiation, but Officials Call Risk in U.S. Slight
• Navy Says 17 Americans Were Treated for Contamination