Celtic have rejected Arsenal's latest bid for left-back Kieran Tierney, Sky Sports News understands.
Celtic manager Neil Lennon has said he needs to "trim" his squad and sell some players ahead of the upcoming season.
Catch up with the action as Celtic won 3-1 at Sarajevo in the Champions League. Earlier, Rangers beat St Joseph's 4-0 in the Europa League.
Arsenal have made an improved offer in the region of £25m for Celtic left-back Kieran Tierney, Sky Sports News understands.
Neil Lennon stressed the importance of Champions League football to Celtic as he prepares for the first of four qualifiers in Bosnia and Herzegovina.
Celtic manager Neil Lennon admits he was “not satisfied” with Olivier Ntcham’s transfer comments and says he will speak to the midfielder about his "mindset".
The first Old Firm derby of the season will be shown live on Sky Sports on Sunday, September 1.
Boli Bolingoli-Mbombo says he did not seek assurances over Kieran Tierney's future before signing for Celtic.
Celtic have completed the signing of Boli Bolingoli-Mbombo on a four-year deal from Rapid Vienna.
Celtic captain Scott Brown has put Old Firm rivalries aside to raise money for Macmillan Cancer Support.
Celtic goalkeeper Scott Bain admitted the challenge of repeating the historic treble treble last season motivates many players at the club.
Rapid Vienna full-back Boli Bolingoli-Mbombo has arrived in Glasgow for talks over a potential switch to Celtic.
Celtic have completed the signing of Bolton midfielder Luca Connell, who joins the club on a four-year contract.
Celtic have completed the signing of Toulouse defender Christopher Jullien on a four-year deal.
Neil Lennon says Arsenal have not made a second bid for Kieran Tierney but is already identifying left-back replacements.
Neil Lennon describes the criticism from West Brom technical director Luke Dowling over Celtic’s treatment of Oliver Burke as "unprofessional and totally unjustified".
Luca Connell has had a request to terminate his Bolton contract turned down by the club’s administrators, Sky Sports News understands.
David Turnbull's transfer to Celtic from Motherwell has fallen through with the player now set to remain at Fir Park.
Bolton's Luca Connell was at Celtic's training ground on Thursday ahead of a potential move to the Scottish Premiership champions, Sky Sports News understands.
Leigh Griffiths admitted it was "great to be back" after scoring in his return to action to Celtic during Wednesday’s preseason friendly against SC Pinkafeld.
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