The Republic of Ireland defender has joined Neil Lennon’s side on a season-long loan from Brighton.
The Scottish champions swept past KR Reykjavik with the minimum of fuss.
Celtic boss Neil Lennon says striker has reacted well to criticism of his weight since returning for pre-season.
Writ has been served on the Parkhead club by Thompsons Solicitors, who represent survivors of sexual abuse.
Midfielder says Parkhead club didn't get 'closure' at end of last season and are now determined to win ten titles in a row.
The 32-year-old is coming to the end of his contract having made 67 appearances for the club.
Celtic manager says pressure is off his squad as they chase a historic tenth title in a row.
Celtic FC Foundation will use the money donated to 'put food on the table, as well as to distribute urgent essentials'.
The striker offered advice to those struggling with their mental health as the coronavirus restrictions are set to be extended.
Matthew McCombe’s parents said the 21-year-old was 'much loved by all'.
Matthew McCombe, 21, disappeared in Amsterdam during the early hours of March 14.
Matthew McCombe, 21, disappeared in Amsterdam last Saturday morning.
The football authorities will have discussions with the Scottish Government next week about forthcoming games.
A club representatives said there were 'gaps' in the traffic regulation order when it was first advertised to the public.
A Ryan Kent goal helped Rangers take all three points from the Highlands on Sunday.
Celtic have increased their lead at the top of the Scottish Premiership to 16 points with a win over St Mirren.
The coronavirus threat has forced the SFA and SPFL to draw up contingency plans.
The near 30-year-old Celtic away shirt was taken from the National Football Museum in Manchester.
The midfielder is close to being Celtic's second signing of the January window.