Match report as Rangers come from behind to draw with Celtic; Jota opened the scoring for the hosts in the first half;
Fashion Sakala equalised in the 68th minute; Celtic remain six points clear at the top of the Scottish Premiership with three games remaining.
Celtic knew victory would all but guarantee the title and Jota volleyed in the opener to send them on their way.
Gers striker Sakala levelled in the 68th minute with a powerful drive, but the draw keeps Rangers six points behind the Hoops with only three fixtures remaining.
Celtic's superior goal difference of 19 means it would take a notable and unlikely turnaround to keep the title at Ibrox.
Celtic had lost to their bitter rivals after extra-time in the Scottish Cup semi-final at Hampden Park two weeks ago and revenge was also in the air.
There were only around 700 Rangers fans allowed inside the 60,000-capacity stadium
In the 12th minute, Ryan Kent volleyed a cross from captain James Tavernier past the post from 12 yards
when he should have at least tested Hoops keeper Joe Hart, who then had to deal with a decent long-distance drive from the Gers attacker.