South Wales Police has launched a murder investigation following the death of a man in the Roath area of Cardiff earlier today.
The incident happened in Claude Road at around 2.45am on Saturday, April 28.
Police wish to trace a man who was seen in nearby Oakfield Street at around the time of the incident.
He is described as white, wearing a light-coloured hooded top and trainers, and was running in the direction of Newport Road.
Officers want to hear from this man or anyone who may have seen him.
They are also appealing for information from anyone who saw or heard anything suspicious in Claude Road and Oakfield Street areas on Saturday morning between 1am and 3am.
A major incident room has been set up at Cardiff Central Police Station and the investigation is being led by Detective Superintendent Stuart McKenzie.
Witnesses or anyone with information are asked to contact the Incident Room at Cardiff Central Police Station on 02920 571530 or Crimestoppers anonymously on 0800 555 111.