Chelsea coach Enzo Maresca said his players were still trying to adjust to his style and tactics after they lost 4-1 to Celtic in a pre-season friendly in Indiana on Saturday.
The flags, which numbered in the hundreds, were deemed to be "provocative messages of an offensive nature", UEFA said in a statement
The 57-year-old Australian looks set to be named Tottenham Hotspur boss, having won five trophies in two seasons at Celtic including the Scottish treble this year.
As football fans around the world united to mourn the death of Queen Elizabeth II, one club stood out. Tempers flared when Celtic F.C took to the field.
Celtic manager Brendan Rodgers hails his players' "incredible achievement" as they equal the club's own 100-year-old British record of 62 domestic matches unbeaten.
Bayern Munich ease past Celtic 3-0 in the Champions League to hand coach Jupp Heynckes a victorious return to the competition he won with them in 2013.
A Jose Callejon goal help Napoli ease into the Champions League group stage, while Sevilla also went through and Celtic suffer a scare in Kazakhstan before winning their play-off tie.
Celtic manager Brendan Rodgers hails his side's outstanding display as they moved to the verge of the Champions League group stages with a 5-0 thrashing of FC Astana in Glasgow.
Scottish champions Celtic should not have too many problems on the pitch with Northern Irish title holders Linfield in their Champions League second qualifying round first leg on Friday, but they expect a hostile reception.
Chelsea coach Enzo Maresca said his players were still trying to adjust to his style and tactics after they lost 4-1 to Celtic in a pre-season friendly in Indiana on Saturday.
The flags, which numbered in the hundreds, were deemed to be "provocative messages of an offensive nature", UEFA said in a statement
The 57-year-old Australian looks set to be named Tottenham Hotspur boss, having won five trophies in two seasons at Celtic including the Scottish treble this year.
As football fans around the world united to mourn the death of Queen Elizabeth II, one club stood out. Tempers flared when Celtic F.C took to the field.
Celtic manager Brendan Rodgers hails his players' "incredible achievement" as they equal the club's own 100-year-old British record of 62 domestic matches unbeaten.
Bayern Munich ease past Celtic 3-0 in the Champions League to hand coach Jupp Heynckes a victorious return to the competition he won with them in 2013.
A Jose Callejon goal help Napoli ease into the Champions League group stage, while Sevilla also went through and Celtic suffer a scare in Kazakhstan before winning their play-off tie.
Celtic manager Brendan Rodgers hails his side's outstanding display as they moved to the verge of the Champions League group stages with a 5-0 thrashing of FC Astana in Glasgow.
Scottish champions Celtic should not have too many problems on the pitch with Northern Irish title holders Linfield in their Champions League second qualifying round first leg on Friday, but they expect a hostile reception.
Scott Sinclair scored twice as Celtic surpassed a 50-year-old club record in style with a 4-0 thrashing of Hearts on Sunday to extend their unbeaten domestic run to 27 matches.
