The family of the man who died in the city centre earlier this week have been traced and informed of his death.
At around 7.30pm on Monday, December 10, officers on patrol in the city centre noticed an unresponsive man on St Mary Street.
They performed CPR until an ambulance arrived and conveyed the 50-year-old man from Llanrumney, to the University Hospital of Wales, Cardiff, where died.
There are no suspicious circumstances and an investigation is continuing on behalf of HM Coroner.
Anyone with information is asked to contact South Wales Police 101 quoting occurrence number *467009.
South Wales Police works closely with Cardiff Council and the voluntary sectors in supporting vulnerable people on city centre streets.
South Wales Police commented:
“We continue to encourage vulnerable people to engage with the many support agencies and outreach services available in Cardiff.”