A 28-year-old man has been arrested on suspicion of murder after the discovery of a man's body partly submerged in the River Taff in Grangetown, Cardiff.
The dead man has been named as David Alun Lewis, 45, from Ystrad Mynach.
Police were alerted by an anonymous call made just before midnight on Wednesday from a phone kiosk on Clare Road, Grangetown.
A post mortem examination is continuing to find the cause of Mr Lewis' death.
More top news
Occasional blustery showers overnight and brisk north-westerly winds. Patchy rain will continue during the day tomorrow.
Dame Shirley Bassey releases her first festive recording "The Christmas Song" with Brit-Award winning harmonisers Blake.
Private Gavin Williams was initially treated for a psychiatric episode rather than heatstroke an inquest hears.