Abnormally high levels of radioactive materials were again detected in the sea near the crisis-hit nuclear power plant in Fukushima Prefecture, its operator said Thursday, warning the radiation levels in seawater may keep rising.
According to Tokyo Electric Power Co., radioactive iodine-131 146.9 times higher than the legal concentration limit was detected Wednesday morning in a seawater sample taken around 330 meters south of the plant, near the drain outlets of its troubled four (…)