Yorkshire Water boss resigns after firm downgraded

In her statement, Shaw said: "It has been a privilege to lead Yorkshire Water and serve the people of Yorkshire.

"Although there remains a huge amount of work to do, I am extremely proud of what our colleagues have achieved, putting the business on a stronger footing for delivery across all aspects of its work."

Yorkshire Water said Medalova would join the company on Monday as part of a transition period before assuming the chief executive officer role full time in the new year.

She said: "I am delighted to be joining Yorkshire Water and grateful to the Board for the opportunity to lead the business through its next chapter.