Hisashi Ouchi, from Japan, had been working at a uranium ... into a processor - far exceeding the safe limit of 2.4kg. Radiation alarms began to blare, and the three men became dangerously ill.

Hisashi Ouchi, a 35 year old Japanese worker, was subjected to an unprecedented level of radiation while working at a uranium processing facility in Tokaimura, located 70 miles northeast of Tokyo.