OXYGEN was rushed into the ring after boxer Rashid Omar was brutally knocked out by James McGivern.
The pair met in Belfast and put their unbeaten records on the line to contest for the Irish lightweight title.
And it ended in a vicious KO in round two when McGivern landed a stunning one-two combination.
Omar was on his way down when McGivern connected with one more left hand to leave his opponent out cold.
Oxygen was brought into the ring as Omar recovered.
Woman, 28, found dead in Cork flat was strangled by man she knew, Gardai believe
Thankfully, the Boxing Union of Ireland stated that Omar was later able to leave the ring unaided.
Afterwards, one impressed fan tweeted: "Congrats James. Onwards and upwards. Great shot and hopefully Omar is OK."
Another added: "Holy f*** what a KO hope that guy is OK."
One commented: "Great KO."
Another said: "Devastating is right, what a shot!!"
On the undercard, Pierce O’Leary won the Dublin dust-up against countryman Darragh Foley.
The pair put on a thriller over ten rounds with O’Leary coming away with the unanimous decision.
In a show of sportsmanship, beaten Foley lifted his victorious opponent aloft on his shoulders after the fight.