Celtic boss Neil Lennon says his players have been reminded of their responsibilities after news that eight Aberdeen players breached bubble rules by visiting a pub.
Aberdeen's match against St Johnstone this weekend has been called off after two players tested positive for coronavirus and a further six first team squad members were ordered to self-isolate.
All eight are said to have been at a pub in Aberdeen's city centre after last weekend's defeat to Rangers.
First Minister Nicola Sturgeon today said she was "furious" at the incident, and reminded football players and clubs how important the rules are.
Lennon said: "It's obviously a very unfortunate incident and has some serious ramifications for the game.
"It's a reminder to all the players and the staff that we have to be on our guard all of the time and follow the protocols in the right way.
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"We made our players aware again this morning. They really can't go out and socialise and open ourselves up to any finger-pointing. It's basically a case of home, training, home, games. Unfortunately that's the way it's got to be until things get better.
"I think the players here have in the main been excellent. They've had two rounds of testing now for the last six or seven weeks and thankfully they've all come back negative. Whatever they are doing, they're doing the right things."
He added: "The country has handled the situation as well as anyone possibly could have. We've opened up a little bit and have to be careful we don't have any more spikes."
Celtic's match against Aberdeen next weekend is expected to go ahead as planned, although the Dons will be without eight players.
