MURDER squad detectives are investigating the third violent death in Doncaster in a week.
It comes after police confirmed an 18-year-old man was stabbed to death in Moorends last night.
The Free Press can reveal that the teenager, named locally as Joseph Smith, was stabbed in Lacarno Road at the junction with Barnsley Road at 6.20pm.
He died in hospital at around 7.40pm.
A 15-year-old boy was arrested on suspicion of murder. He is currently being questioned by police.
Officers are also investigating the deaths of Scawthorpe man Ray Eden, 42, and Henry Mackellar, 50, from Mexborough.