Ugandan boxer Aziz Abdul, the grandson of former Ugandan president Idi Amin, has been disqualified from the Commonwealth Boxing Championships after a headbutt brought his quarter-final bout to an abrupt and controversial end.

The super-heavyweight fighter had entered the tournament in Glasgow hoping to claim gold, even declaring his ambition to become the “new king of Scotland”—a reference to his grandfather’s infamous self-proclaimed title from the 1970s. Instead, his campaign ended in disappointment after officials ruled against him during his clash with England’s Damar Thomas.

Aziz started the contest aggressively, connecting with three powerful left hooks in the opening round. However, Thomas responded with a sharp left hand that forced the Ugandan to take a standing count, shifting momentum in favour of the English boxer.

The second round became increasingly heated as Aziz repeatedly threw punches after the referee had separated both fighters. Officials deducted a point after warning him for striking Thomas while they were coming out of a clinch.

With Thomas comfortably ahead on the scorecards, the decisive moment came midway through the final round. Aziz was penalised for lifting his head into Thomas’s chin, an action the referee ruled was a deliberate headbutt. Having already received multiple warnings, the offence resulted in his immediate disqualification.

The decision was met with loud boos from spectators inside the arena as Aziz exited the ring without the chance to fight for a medal.

Speaking after the contest, the Ugandan boxer criticised the referee’s decision, insisting he had been treated unfairly.

“This referee’s decision is not right and I am not happy. Of course it’s unfair. When you watch the previous fights of England, their boxers create a lot of fouls,” he said.

Aziz’s elimination ends his bid for Commonwealth glory and brings an unfortunate conclusion to a tournament in which he had hoped to make history in the city where his grandfather once famously—and controversially—declared himself the “King of Scotland.”