Before the super-heavyweight bout Abdul told the BBC helium wanted to go the caller 'King of Scotland' - successful notation to Amin declaring himself that sanction successful 1976.
After taking powerfulness successful a coup successful 1971, Amin ran a brutal authorities during which an estimated fractional a cardinal radical were killed. He was besides known arsenic the Butcher of Uganda.
Abdul, who ne'er met his grandfather, was chasing Uganda's archetypal Commonwealth boxing medal since Auckland successful 1990 - thing which would person been guaranteed had helium beaten Thomas.
Instead, helium was fixed warnings successful the erstwhile 2 rounds and was trailing connected each of the judges' scorecards.
"All I tin accidental astir this is the determination is not right, I americium not happy," helium said.
"He elbowed me. He caught maine with the elbow.
"It [the caput movement] was not intentional. I was trying to travel back.
"How tin I headbutt someone? I would not.
"He was the idiosyncratic they wanted to win. He was the victor before.
"I knew if I did not get knockout I could not triumph the fight."
BBC Sport has contacted Commonwealth Games organisers and World Boxing for a effect to Abdul's comments.
Thomas, who is present guaranteed astatine slightest a bronze medal, said it was "not the way" helium wanted to win.
"I can't alteration what happened contiguous but I tin power however I container connected Friday," helium said.
Amin, himself a boxer, harboured a fascination with Scotland aft serving successful the King's African Rifles successful his 20s.
At the tallness of the regime, helium was fond of wearing a kilt and playing the bagpipes - and adjacent declared himself "King of Scotland" successful 1976.
Some years later, those predilections adjacent spawned an Oscar-winning film, The Last King of Scotland, starring Forest Whitaker and James McAvoy.
In a erstwhile interview, Abdul said helium was "inspired" by Amin, though it was not wholly wide whether helium was talking astir his boxing feats oregon not.
Speaking to the BBC, helium refused to reply erstwhile asked if helium was arrogant to beryllium the dictator's grandson, but helium did code the question of however helium feels erstwhile helium is linked to idiosyncratic with specified a sinister reputation.
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