Japanese nuclear regulators on Friday inspected ground structures at the country`s only operating nuclear plant to examine if an existing fault line is active.
Nagasaki marked the 67th anniversary of the western Japanese city`s atomic bombing, calling for a world free of threats from radiation.
Thousands of people formed "a human chain" around Japan`s Parliament complex to demand the government abandon nuclear power.
Subcontractors allegedly forced workers at Fukushima Dai-ichi plant to underreport the amount of radiation they were exposed to.
A panel investigating Japan`s nuclear disaster said that the ex-PM and his aides did not follow the official line of communication.
Japan is feeling the absence of its reactors in everything from threatened power shortages to strained power grids.
Naoto Kan said the crisis exposed a host of man-made vulnerabilities in Japan`s nuclear industry.
TEPCO was planning a reassessment of tsunami risks just before last year`s tsunami devastated its Fukushima Dai-ichi plant.
Holding "No Nukes" signs, people gathered at Yoyogi Park in Tokyo for a rally, including Nobel Prize-winning writer Kenzaburo Oe.
The stress tests are aimed at showing the reactors can withstand the scale of disaster that crippled Fukushima reactors last year.
Day in Pics: 27th November
Showbiz World - November 27, 2014
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