Forensic examinations are continuing following the death of a 24-year-old man from Cardiff in the early hours of this morning.
Emergency services were called to a flat in the Llanrumney area of the city just after 1am.
The man was taken to hospital, where he later died.
Police have arrested a 53-year-old man on suspicion of murder.
More top news
Showers in the north will spread southeastwards overnight. Temperatures will be higher so not as chilly as list night.
Chilly start to Tuesday, turning into a largely fine and dry day.
Political Editor Adrian Masters was joined in the studio by assembly members Bethan Jenkins, Mick Antoniw and Suzy Davies.