An official with the plant 's operator , TEPCO , said the company received a report of the alleged incident Thursday from subcontractor Tokyo Energy & Systems . The incident allegedly happened at the damaged Fukushima nuclear plant . The government and plant are investigating the report . Japan : Workers were asked to covers be used to monitor radiation levels .
The incident allegedly happened at the damaged Fukushima nuclear plant . The government and plant are investigating the report . Japan : Workers were asked to covers be used to monitor radiation levels .