Corrosion has been found on the inside of tanks used to store treated radioactive water at the crippled Fukushima Daiichi nuclear power plant, its operator has revealed.
Japan says China and South Korea have both discharged liquid waste containing high levels of tritium, a radioactive material, countering Beijing's criticism of Tokyo's plan to release treated water from the Fukushima nuclear power plant.
The head of Komeito, the junior coalition partner of Japan's ruling Liberal Democratic Party, says the government should not start the release into the sea of treated radioactive water from the Fukushima nuclear power plant during the swimming season amid concerns over the safety of the plan.
A South Korean delegation will visit the disaster-hit Fukushima nuclear power plant next week to assess the safety of Japan's planned release of treated radioactive water into the sea, the government says.
The Japanese government hopes to pitch the safety of a planned release of treated radioactive water into the sea from the disaster-hit Fukushima nuclear complex when South Korean experts visit the site later this month, the industry minister says.