Celtic have had upcoming games postponed but First Minister Nicola Sturgeon let Scottish football off with a "yellow card" after Hoops defender Boli Bolingoli played following a secret trip to Spain.

The Scottish Government had earlier admitted it was considering a suspension of football after it emerged Bolingoli failed to quarantine for 14 days as required and then came off the bench during the 1-1 Scottish Premiership draw with Kilmarnock on Sunday.

Celtic have condemned what they acknowledged was inexplicable and "stupid" behaviour from their player but now face an anxious wait to discover the fate of their Champions League first round qualifier against KR Reykjavik on 19 August.

Their clash with St Mirren and Aberdeen's game against Hamilton on Wednesday have been called off, along with the Dons' trip to Parkhead on Saturday.

Sturgeon had issued Scottish football with a stark warning on Friday after eight Aberdeen players broke protocols with a night out following the opening day of the season - two of them caught Covid-19 and a further six were instructed to self-isolate. The Dons' weekend game against St Johnstone was postponed.

Sturgeon stressed today that she did not want rule-abiding clubs and players plus fans to be punished for the individual breaches but warned: "This is just not acceptable. We can't have privileged football players just deciding they are not going to bother.

"Consider today the yellow card. Next time it will be the red card because you will leave us with absolutely no choice."

Celtic boss Neil Lennon is furious with Bolingoli and admitted that it might be "very difficult" for the Belgian, who went to Spain after the home win against Hamilton, to be welcomed back into the fold at Parkhead.

Lennon said: "I am livid; (it was a) total betrayal of trust. He took a flight to Spain on the Monday and flew back on Tuesday - one day in Spain, no logic to that - and decided to keep it to himself.

"Trained all week in this bubble and was part of the squad for Sunday and put everybody at risk, the Kilmarnock players and staff as well.

"We were livid and appalled. We have been bitterly, sorely let down by the selfish actions of one individual.

"The actions of the individual is baffling. (He has) totally let the club down. The players are angry, disappointed and frustrated."

Bolingoli said he wanted to apologise to his manager, team-mates, supporters, "and so many others for letting them down so badly".

"I am guilty of a major error of judgement. I know what I did was wrong and I know that I must now deal with the consequences."

The Celtic defender failed to quarantine after returning from Spain

Motherwell manager Stephen Robinson had argued it would be wrong to shut down an industry for individual mistakes.

Robinson said: "People will lose jobs, the industry will go to pieces, make no mistake about that. I just don't think in any shape or form Scottish football should be closed down. It's individual errors, if they are true.

"I see from every club and every person I speak to in Scottish football, we are doing more than any other industry, 10 times more, but it doesn't sell papers.

"When one person makes a mistake it goes all over the place and gets exaggerated tenfold. I am not condoning anything that happened but it is being dealt with."

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