Tokyo Electric Power Co. said thousands of gallons of highly radioactive water has leaked from an underground pool at the crippled Fukushima Dai-Ichi nuclear plant and may have seeped into the soil.

Tepco estimates about 120 tons (32,280 gallons) of radioactive water has escaped, company spokesman Daisuke Hirose said, adding it was uncertain how much contaminated water has soaked into the soil. While he said the utility plans to complete pumping the remaining water to other underground pools by April 9, Japan’s Nuclear Regulation Authority today said ‘a small quantity