Burnley have sacked supervisor Sean Dyche with eight games left of their season in the Premier League.
The Clarets, who have lost five of their last six first class games, are eighteenth and four focuses from security.
Dyche was the Premier League's longest-serving administrator, having taken over at Turf Moor in October 2012.
Burnley director Alan Pace said it was "an extraordinarily tough choice" to leave Dyche, yet "we feel a change is required".
Dyche's last game responsible for Burnley saw them lose 2-0 to Norwich City, who are lower part of the Premier League.
Aide director Ian Woan, first-group mentor Steve Stone and goalkeeping mentor Billy Mercer have likewise left the club.
"First and foremost, we might want to put on record our earnest gratitude to Sean and his staff for their accomplishments at the club throughout the last ten years," said Pace.
"During his time at Turf Moor, Sean has been a credit both on and off the pitch, regarded by players, staff, allies, and the more extensive football local area.
"Be that as it may, results this season have been disheartening and, while this was an extraordinarily hard choice, with eight essential rounds of the mission remaining, we feel a change is expected to allow the crew the most ideal opportunity of holding its Premier League status.
"Under-23s mentor Mike Jackson, helped by institute chief Paul Jenkins, Under-23s goalkeeping mentor Connor King and club commander Ben Mee have been approached to assume responsibility for the group for Sunday's down with West Ham United.
"The method involved with supplanting Sean has started and further declarations will be made to allies at the appointed time."