The incident involving a steam release occurred at the NPP on Monday evening.
"Emergency services attended Heysham 1 power station following an incident at the site on the evening of Monday 19 November… The three colleagues who were injured have been taken to hospital where they are receiving treatment for their injuries – two at Preston and the other at Wythenshawe," the EDF Energy said in a press statement.
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The statement added that the incident had not posed a threat to the public, adding that the situation at the NPP was under complete control. The company pledged that it would carry out a thorough investigation into causes of the accident. According to the company, both two reactors of the plant are in service.
Addressing the accident, the British Office for Nuclear Regulation (ONR) also announced it would probe into the issue.
