Pizza Delivery Driver Killing: Two Arrested Two men have been arrested on suspicion of murdering pizza delivery driver Thavisha Lakindu Peiris, police have said. Mr Peiris, 25, was found stabbed to death in his car in the Southey area of Sheffield on Sunday night. He was making his last delivery on his final day working for Domino's Pizza and was due to start a job in IT. South Yorkshire Police said a 17-year-old man was arrested on Thursday evening and would soon be questioned. A 25-year-old has also been detained on suspicion of murder. The Halifax Road branch of Domino's where Mr Peiris worked Mr Peiris was found by colleagues slumped in a silver Toyota Yaris after he failed to complete his delivery. They said he had been feeling unwell and was going to go home early but agreed to deliver one last order. Mr Peiris came to the UK from Sri Lanka to finish an IT degree and graduated from Sheffield Hallam University in 2011. His parents described him as "the most caring and loving son a parent could have." Mr Peiris collecting his IT degree in 2011 Speaking from Sri Lanka, his father Sarath Mahinda Peiris and mother Sudarma Narangoda said: "We sent our son to the UK to study so he can have a better life. Now we are left with only a broken heart. 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. His family are to fly to the UK in the coming days, with Domino's Pizza saying it will cover the cost of the flights. A 50-strong police team has been working on the murder inquiry, with officers carrying out extensive house-to-house inquiries and examining CCTV footage.