Newcastle United boss Joe Kinnear will be out of action for two months as he prepares to undergo heart surgery.
Assistants Chris Hughton and Colin Calderwood, the latter a recent arrival at St James' Park, will take charge of team affairs as the Magpies attempt to climb away from relegation trouble.
Kinnear complained of feeling unwell at the team hotel ahead of Saturday's 3-2 victory at West Brom, and was taken to hospital after the club's medical staff realised his blood pressure was raised.
The club later released a statement confirming initial tests had shown he was "okay" and that he would be detained for further observation.
However, after being seen by a cardiologist, Kinnear has now been told surgery is required and that he will need two months of complete rest afterwards.