Wilfried Nancy has been sacked by Celtic after just 36 days in charge.
The Frenchman suffered six defeats in eight games in charge after replacing Brendan Rodgers as the club's permanent manager.
His final match was a 3-1 home defeat by Rangers on Saturday.
A club statement read: "Celtic Football Club today announces that it has decided to terminate the contract of manager Wilfried Nancy, with immediate effect.
"The club thanks Wilfried for his efforts and wishes him and his family well for the future.
"Wilfried's assistants, Kwame Ampadu, Jules Gueguen, and Maxime Chalier, will also be leaving the club and they take with them our good wishes.
"The club can also confirm that Paul Tisdale has left his position as Head of Football Operations. We thank Paul for the contribution he has made in that role.
"A further update will be provided to supporters as soon as is practical."
More to follow...