The release of the fifth batch of treated radioactive water from the crippled Fukushima Daiichi nuclear power plant into the sea concluded Tuesday, its operator said. In the latest discharge, the first of fiscal 2024 from April, Tokyo Electric Power Company Holdings Inc. released around 7,800 tons of processed water, with a total of about 54,600 tons planned for release over the year. Abnormal tritium levels have not been detected in nearby waters, TEPCO said. Prior to discharge, water used to cool melted fuel at the plant is passed through an advanced liquid processing system that removes mos…