SENDAI, Japan - The estimated death toll from Japan's disasters climbed past 10,000 Sunday as authorities raced to combat the threat of multiple nuclear reactor meltdowns and hundreds of thousands of people struggled to find food and water. The prime minister said it was the nation's worst crisis since World War II.
Nuclear plant operators worked frantically to try to keep temperatures down in several reactors crippled by the earthquake and tsunami, wrecking at least two by dumping sea water into them in last-ditch efforts to avoid meltdowns. Officials warned of a second explosion but said it would not pose a health threat.
Near-freezing temperatures compounded the misery of survivors along hundreds of miles of the
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Japanese earthquake and tsunami
An official scans a man and a child for radiation at an emergency center on Sunday, March 13, 2011, in Koriyama, Japan, two days after a giant quake and tsunami struck the country's northeastern coast.
(AP Photo/Gregory Bull)