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
Fine for many tomorrow.
A rollercoaster has come off the rails at a theme park in Scotland, leaving eight children and two adults in hospital.
"I saw a lot of smoke come out from the tail-end of the aircraft. I wondered if it was normal, whether it was just exhaust fumes."