Watch Drew McIntyre lose control in an X-rated rant after CM Punk cost him the title fight as he attacks the referee and commentators

WWE superstar Drew McIntyre went berserk after his controversial loss at Clash at the Castle and exploded with an expletive-laden rant.

McIntyre, 39, challenged WWE World Heavyweight Champion Damian Priest at the OVO Hydro in Glasgow on Saturday after controversially losing the title at WrestleMania 40.

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The Scottish fighter won the belt in April after defeating Seth Rollins, but was attacked by CM Punk and Priest redeemed his Money in the Bank contract to pin him five minutes after his title triumph.

The British fighter was determined to win the world championship in his homeland in front of 11,000 compatriots during an emotional weekend in which his wife underwent emergency surgery.

McIntyre defeated Priest by taking him down with a devastating Claymore.

But there was no referee for the pinfall, as the referee was knocked out of the ring moments before.

Then CM Punk made a shocking return in a black and white striped referee shirt and taunted the Scottish Terminator by refusing to count to three.

McIntyre he pushed Punk into the turnbuckle and it was then that the American legend delivered a low, crushing blow.

Priest recovered and connected with the South of Heaven Chokeslam to pick up the controversial victory.

WWE released footage showing The Scottish Warrior going berserk after the bell was rung while going on an R-rated rant against the referee and commentators.

McIntyre grabbed the referee by the shirt and heard him shout: “Where the hell were you?”

The official seemed to respond: “I was knocked out of the ring, I didn’t see anything.”

McIntyre then grabbed commentator Corey Graves by the neck as the American shouted: “I didn’t do anything.”

The three-time world champion faced the great British Wade Barrett, with whom he exchanged heated words.

As the former WWE Champion walked away, he was heard shouting, “You piece of shit.”

This was the second time that McIntyre had failed to win a world title in the UK due to outside interference.

The British had Roman reigns won for the Undisputed WWE Universal Championship two years ago at Clash at the Castle in Cardiff, but Solo Sikoa got involved and helped his cousin win.