Leaked report details incidents at three plants during February that were serious enough to be reported to ministers.
A puddle containing plutonium five times the legal safety limit leaked from Sellafield nuclear complex in Cumbria, the report says.
There have been two spillages of radioactive waste and a breakdown in an emergency cooling system at Britain’s nuclear plants in the past three months, according to a report to ministers leaked to the Guardian.
A brown puddle containing (…)