Three workers may have suffered internal radiation exposure while working in a spent nuclear fuel reprocessing plant in Rokkasho, Aomori Prefecture, Japan Nuclear Fuel has said. The men in their 20s to 40s are employees of a partner company sent to work in a controlled area of the plant, according to an announcement by Japan Nuclear Fuel on Monday. Radiation was detected inside the nasal cavity of one of the three, who is in his 40s, prompting the company to check whether all three were