Fukushima nuclear plant: Toxic isotope found in groundwater

High levels of a toxic radioactive isotope have been found in groundwater at Japan's Fukushima nuclear plant, its operator says. Tokyo Electric Power Company (Tepco) said tests showed strontium-90 was present at 30 times the legal rate. via Pocket http://www.bbc.co.uk/news/world-asia-22964089#sa-ns_mchannel=rss&ns_source=PublicRSS20-sa