Sources: BBC
Workers enter one of the buildings at Japan's Fukushima I Nuclear Power Plant for the first time since an explosion in the days following the 2011 Tōhoku earthquake and tsunami. 2011-05-5
North Korea is reported to be on a state of high alert for radiation from the Fukushima I accidents. 2011-03-29
Plutonium is found at five locations around the power plant. 2011-03-28
The Prime Minister of Japan Naoto Kan instructs the Governor of Fukushima Prefecture Yūhei Satō to advise residents to avoid eating leafy vegetables, due to the Fukushima I nuclear accidents. 2011-03-23
Efforts continue to cool the reactors at the Fukushima I Nuclear Power Plant following recent accidents with signs that the treatment efforts are working. 2011-03-21
Smoke billows from another of the reactors at the Fukushima Plant. 2011-03-18
The United States authorises the first evacuation of Americans from Japan. 2011-03-17
Helicopters drop water on the stricken Fukushima I Nuclear Power Plant to cool overheated fuel rods inside the core. 2011-03-17
Gregory Jaczko, the head of the U.S. Nuclear Regulatory Commission tells a United States Congressional panel that his Commission is recommending a higher exclusion zone. 2011-03-16