TEPCO says it discovered highly contaminated water leaking from a tank . An estimated 100 metric tons spilled over a barrier and onto the tank , it says . The company does n't believe that there was any leakage of the radioactive water into the nearby Pacific Ocean . The company says it has shut off the flow of water into the tank and the leak has stopped . TEPCO has struggled to remove the vast amounts of tainted water at crippled levels .
TEPCO says it discovered highly contaminated water leaking from a tank . An estimated 100 metric tons spilled over a barrier and onto the tank , it says . The company says it has shut off the flow of water into the tank and the leak has stopped . TEPCO has struggled to remove the vast amounts of tainted water at crippled levels .