Increased levels of the radioactive element tritium have been found in groundwater at the wrecked Fukushima nuclear plant in Japan.<br /><br />Readings, taken from samples drawn from a well close to storage tanks holding contaminated water, were more than 50 percent higher on Wednesday than a day earlier.<br /><br />Tritium is less harmful to humans than cesium and strontium.<br />...<br />http://www.euronews.net/
