Sheffield Hallam University has paid tribute to murdered pizza worker Thavisha Peiris who was fatally stabbed as he made his final delivery before starting a career as an IT consultant.
A spokesman said: "The university is saddened to hear of the tragic death on Sunday of Thavisha Peiris, who successfully graduated in 2011 with a degree in information technology.
"We encourage anyone with information to contact South Yorkshire Police."
More top news
Twelve people have been killed and three injured after a pick-up truck and a church minibus crashed head-on in Texas.
Revenge porn offenders who attempt to magnify their targets' humiliation will face the toughest penalties under new sentencing proposals.
A remarkably mild night with misty low cloud on the hills of Scotland, Wales and north-west England and further rain in places.