Police appealed directly to mothers to help with an investigation into the death of a 25-year-old student who was stabbed to death as he made his final pizza delivery.
Detective Superintendent Lisa Ray said: "Was it your son that came home a little bit dishevelled, perhaps with bloodstained clothing?"
The IT graduate was said by police to be "very close" to his family in Sri Lanka and spoke to his own mother every day.
<--This man -someone's son,brother, cousin- was brutally murdered. If you know of anyone acting suspiciously on Sun call 101 #catchhiskiller
More top news
A lucky football fan is heading to this weekend's FA Cup Final at Wembley after picking which had been fired into space.
Ciaran Williamson and two friends were hit by the gravestone while playing in Craigton cemetery in the Cardonald area of Glasgow.
Attorney General Loretta E. Lynch spoke at a press conference earlier following arrests made in Zurich.