Scottish Premiership champions Rangers moved closer to the 100 points mark and an unbeaten season with a 4-1 Old Firm victory over Celtic.
Celtic's four-year Scottish Cup reign came to an end at the hands of Rangers on Sunday.
Police have arrested and charged a teenager over an alleged racist online post sent to Rangers striker Alfredo Morelos after the Old Firm derby.
Celtic were unable to halt Rangers' hopes for an unbeaten season in the Scottish Premiership as they played out a 1-1 draw in the Old Firm derby.
Rangers and Celtic did not take a knee ahead of the Old Firm derby on Sunday, following allegations of racism against midfielder Glen Kamara.
Celtic manager Neil Lennon has stepped down after a dismal campaign that has left the Scottish Premiership club 18 points behind leaders Rangers.
Socceroos midfielder Tom Rogic has ended his scoring drought in Scotland with his first goal of the season in Celtic's 4-0 romp at St Mirren.
Celtic's match against Hibernian will take place on Monday despite the club announcing that 13 first-team players are self-isolating.
Rangers beat Old Firm rivals Celtic with a 1-0 win at Ibrox to move 19 points clear at the top of the Scottish Premiership.
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Celtic completed a historic fourth consecutive domestic Treble after overcoming Hearts on penalties in the Scottish Cup final.