Ciaran Sharkey, 24, lashed out at Ben Docherty outside his home in Rutherglen, South Lanarkshire, on February 23 2022. Electrician Sharkey, of the city's Cathcart, had shouted at Mr Docherty who believed a fight was going to break out.
The court heard Mr Docherty arrived home from work where he was confronted by Sharkey who had exited his blue Audi car.Mr Docherty's partner Demi Lee Wood saw him grappling with Sharkey but did not witness punches thrown.The victim told Miss Wood: "He wants to box with me."Mr Docherty heard a knife clicking but did not see a weapon.
Another witness spotted Sharkey throwing punches at Mr Docherty before he fled the scene in the Audi.Miss Wood meantime returned to the scene to see her partner's body "covered in blood."Mr Morrison drove the victim to the hospital where he lost consciousness shortly before arrival.Miss Brannigan said: "A puncture wound to his heart was seen and repaired."He was intubated and sedated - he remained in a serious condition and for 24 hours he was placed on an incubator.