Discontent boiled over among Rangers fans following the squad's frustrating stalemate with Falkirk, culminating in an incident in which the team bus got blockaded from disgruntled followers.
Daizen Maeda headed a stoppage-time decisive goal as earn the home side the Bhoys a three-two triumph over Motherwell, handing recently appointed boss Jens Berthel Askou their first defeat in charge.
Visiting team previously been ahead through a Apostolos Stamatelopoulos double, but the Swedish attacker equalised before the winger's decisive diving header clinched the turnaround by the Glasgow side.
The late goal stopped their champions from an international break behind with 5 points.
Kelechi Iheanacho initially opened the scoring via the penalty in that 28th minute, yet Stamatelopoulos quickly flipped the on its head by scoring two finishes either side of half-time.
Those goals had the Lanarkshire side on course for their first victory in Celtic Park for over a ten years.
However, Motherwell's commitment to playing from their own defence – a strength feature in early-season performances – turned costly as shot-stopper Calum Ward passed the ball to the opponent only eight yards from the net.
The gift let the attacker to slot home the leveling goal, paving way stage a tense finish.
Michel-Ange Balikwisha subsequently produced his first significant contribution with Celtic just three minutes into added time, delivering over the driven ball which the forward finished via a close-range header.
This decisive goal halted Motherwell's 14-match undefeated run, a run represented their their longest top-flight sequence since they won their nineteen fifty-two Scottish Cup final.
Elsewhere, Jesper Karlsson scored twice while Aberdeen secured a much-needed initial league triumph in the campaign, routing visitors Dundee four-nil.
The result brings Jimmy Thelin's team back within touching range to the teams above them in league standings.
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