The damaged roof of reactor No. 1 at the Fukushima Daiichi nuclear plant after an explosion that blew off the upper part of the structure is seen in this Saturday photo released by Tokyo Electric Power Company (TEPCO) in Fukushima Prefecture, northeastern Japan. Tepco / Reuters
Second Nuclear Meltdown Likely Under Way In Japan, Official Says -- MSNBC
Seawater poured in to cool 1 reactor; venting starts at 2nd; thousands evacuated
A partial meltdown is likely under way at second quake-stricken nuclear reactor, Japan's top government spokesman said Sunday.
Fuel rods were briefly exposed and radiation levels briefly rose above the legal limit at the nuclear plant where both reactors are located, said Chief Cabinet Secretary Yukio Edano.
A partial meltdown in the unit is "highly possible," he told reporters. "Because it's inside the reactor, we cannot directly check it but we are taking measures on the assumption of the possible partial meltdown."
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Another Japan nuclear reactor fails -- L.A. Times
Japan says partial meltdown likely underway at reactor -- Toronto Star
US Nuclear Experts Worry About Possible Japan Reactor Meltdown -- Voice of America
Radiation surpasses legal limit in Fukushima nuke plant -- Xinhuanet
Japanese fearful as nuclear crisis builds -- L.A. Times
Japan quake efforts a race against time -- L.A. Times
'Serious problems' at Japan nuclear plant -- BBC
Nuclear Emergency Is Worst in Decades -- New York Times
US experts fear 'Chernobyl-like' crisis for Japan -- Channel News Asia
Japan earthquake: the nuclear crisis is not over yet -- The Guardian
Dangers posed by Japan's quake-hit nuclear plant -- Reuters