This comes as thousands of fans defied the club appeal and displayed Palestinian flags at last night's Champion League match
A section of the fans called The Green Brigade displayed them during the 2-2 draw with Atletico Madrid at Parkhead.
Two dozen large flags were also shown before the Celtic and Atlético Madrd players ran on to the pitch.
The Scottish champions are expected to face a sanction but manager Brendan Rodgers wouldn't comment on the situation: