Seawater sampling stepped up day after Fukushima water release

Japan's Environment Ministry started collecting seawater samples around the wrecked Fukushima Daiichi power plant Friday, a day after the release of treated radioactive water into the sea commenced despite concern among local fishermen and some neighboring countries. Samples of seawater were collected off Fukushima Prefecture to measure the level of tritium, a radioactive isotope of hydrogen that is said to pose little risk to human health and the environment. The plant's operator Tokyo Electric Power Company Holdings Inc. began its own monitoring of seawater Thursday, with the result of its a...