TOKYO, July 9 (UPI) -- Tokyo Electric Power said Tuesday it found high levels of radioactive material during testing at the Fukushima Daiichi nuclear power station in Japan.
A magnitude-9 earthquake and tsunami crippled the Fukushima Daiichi nuclear power station in 2011. Operator Tokyo Electric Power said it uncovered "high densities" of radioactive material in groundwater observation sites at the facility.