SLAIN Ayrshire dad Sean McKay was chatting to a friend on the phone just moments before he was killed in a savage street assault.
Heartbroken John Kerr, 23, told how he shared a “laugh and a joke” in a video call with the dad of one last night.
Minutes later he spotted blue-lit ambulances from his window and someone appearing to run in Dalry, Ayrshire.
Sean, 23, was pronounced dead at the scene shortly after.
Paying tribute to his tragic pal, John wrote on Facebook: “Can’t believe you’re gone mate and the fact I spoke to you and seen the scumbag… breaks me into pieces.
“My mate, my brother, part of my family was took for no f***ing reason. Breaks my heart the fact I spoke to him in his last moments.
“Wish I could have done something bro and you’d still be here. I love you bro and I’ll miss you with all my heart.”
Sean was attacked near a bus stop as he headed home from work at around 9pm.
Mercy crews and residents raced to the scene but he couldn’t be saved.
Friends and family revealed Sean, from nearby Stevenston, is survived by partner Chloe McCormick and his 15-month-old son.
A witness told how his son battled in vain to save Sean.
Dad Kenny Bone, who lives opposite the scene, said Andrew, 17, ran inside appealing for his help.
He added: “He was trying to stop the bleeding on the boy. He had the towels out but he bled out on the street.
“He tried to do CPR on him to keep him alive. The police came and took over.”
Sean’s sister Samantha McKay, 25, posted on social media: “Hearts absolutely broken. My little brosky.”
Cousin Lyndsey Jackson branded the killing “monstrous”.
She said: “Sean was a young man that wanted nothing more than to do right by his partner and his baby boy. He made all of us proud with the man he had become. I can’t wrap my head around how someone could be so evil as to hurt you for simply walking down the street and trying to get home.
“Life will never be the same without you and we will never forget you. No one ever could.
“RIP Sean, I pray that you get the justice you deserve even though it will never heal the hole you have left.”
Sean is thought to have been making his way to the bus stop when he was randomly attacked.
Sean McKay death: Ayrshire man reveals brave teen son’s desperate efforts to save young dad’s life after street attack
A pal added: “Sean’s left behind a beautiful baby – all because he was in the wrong place at the wrong time. It’s horrific.”
Another resident said: “A group of neighbours tried to help him but he passed away in the street. It’s very sad.”
Today, forensic officers in white protective suits were combing the scene for clues as St Margaret Avenue remained sealed off.
A blue forensic tent was placed near the bus stop as uniformed officers stood guard.
Cops confirmed they were treating the death as “suspicious” and a major investigation was underway. The suspect is described as a white male wearing a dark jacket.
Detective Inspector Stephen McCulloch, who is leading the probe, said: “This young man would appear to have been attacked and killed for absolutely no reason other than being in the same place as the man at the same time.
“There were a number of people in the street who came to the man’s aid and called for an ambulance. We believe we have managed to speak to most of them.
“We appeal to anyone who was there but who has not yet come forward to get in touch.”
The sickening attack came 24 hours after a teenage boy was stabbed just one street away.
Cops said the lad, 17, was attacked in Peden Avenue at around 8.20pm on Saturday.
He was rushed to hospital for treatment but has since been released.
Detectives do not believe the two incidents are linked.
A fundraising page set up in Sean’s honour has already raised more than £2,200.
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