A teenager and a 25-year-old man were being questioned by detectives today on suspicion of the murder of Thavisha Lakindu Peiris.
Both men were arrested yesterday evening, and were being held in custody last night.
The arrest came as Thavisha’s family in Sri Lanka made preparations to fly to UK over the coming days.
Thavisha, a Sheffield Hallam University graduate about to start his dream career in IT, was working his last ever shift as a pizza delivery driver when he was murdered.
His employers, Domino’s Pizza, said yesterday they are to fund the cost of his family’s flights to Britain.
The 25-year-old’s grieving family said he was ‘the most caring and loving son a parent could have’.
His father Sarath Mahinda Peiris, and mother Sudarma Narangoda, said: “We were devastated and shocked to hear of our son’s tragic end and we are still unable to comprehend that he is actually gone.
“Thavisha was one of the most caring and loving sons a parent could have. He was full of life and always had a smile on his face. Anyone who met him immediately liked him.
“He was a deeply religious boy who would not even harm an ant. We sent our son to the UK to study so he could have a better life. Now we are left with only a broken heart.
“We urge anyone who knows anything about our son’s tragic death to come forward to help bring whoever is responsible to justice.
“Please help the police stop another father or mother feeling the tragic loss we are feeling.”
Thavisha, who moved to Sheffield in 2011 to further his education, was found slumped in his silver Toyota Yaris in Southey Crescent, Southey, on Sunday evening.
He had died of stab wounds.
His older brother Pramod Chetheka Peiris said: “I am heartbroken. My brother was the centre of our world. He gave us so many reasons to smile. He was kind and considerate and we were extremely proud of his achievements.
“We were so happy he was doing so well in England. We never thought his life was in danger. I can’t believe he was taken away from us in this cruel and inhuman manner.”