Celtic secured a thrilling 3-1 triumph over Rangers in a captivating Old Firm encounter, with Daizen Maeda's breathtaking overhead kick proving the defining moment of the Glasgow derby.
The Japanese forward's acrobatic finish, which sailed into the top corner past Jack Butland's outstretched hand, completed a vital comeback win for the defending Scottish Premiership champions.
Martin O'Neill's side have now moved to within a single point of league leaders Hearts, with just two fixtures remaining in the campaign.
The result condemns Rangers to finishing no higher than third place, while setting up a potentially decisive final-day showdown at Parkhead.
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Rangers had taken an early advantage through Mikey Moore, whose opener gave the home side hope of derailing Celtic's title challenge.
However, the visitors responded before the interval when Hyun-Jun Yang finished off an impressive team move to draw level.
The opening 45 minutes proved a closely fought affair, with little to separate the Glasgow rivals.
Daizen Maeda scored twice for Celtic against Rangers
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Yet the second period told an entirely different story, as Maeda emerged as the match-winner who would ultimately settle this fierce contest.
His first goal came when he converted a superb delivery from Kieran Tierney, giving Celtic the lead for the first time in the match.
The roar that greeted Maeda's second strike reached extraordinary levels inside the stadium.
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The forward's spectacular overhead effort looped beyond Butland's desperate dive, finding the top left corner in a moment of exceptional skill.
Rangers appeared deflated following that stunning goal, unable to mount any meaningful response.
The defeat extends a miserable run for the Ibrox club, who have now suffered three successive league losses for the first time in more than 25 years.
Celtic's form stands in stark contrast, with O'Neill's men having claimed six consecutive victories across all competitions during this crucial period of the season.
The victory keeps Celtic's hopes of claiming a remarkable 14th Premiership title in 15 seasons firmly alive.
Celtic fans cheered wildly as their side beat Rangers in the Old Firm derby
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Should O'Neill's side defeat Motherwell at Fir Park on Wednesday evening, it would guarantee a winner-takes-all finale against Hearts at Parkhead on Saturday.
Hearts face Falkirk in midweek, meaning the title race could extend to the final day of the campaign.
Celtic's trip to Motherwell kicks off at 8pm on Wednesday, with the potential decider against Hearts scheduled for 12.30pm on Saturday.
Rangers, meanwhile, will host Hibernian with only pride at stake, their title aspirations having evaporated entirely.