Police in Belfast are treating as murder the death of a man in his late 50s in the south of the city today.
The man died in hospital following what is understood to be a stabbing at Grays Park in the Belvoir area of Castlereagh this afternoon.
A spokesman for the Police Service of Northern Ireland (PSNI) said a man in his 40s had been arrested in the inquiry.
Detectives investigating the case have appealed for anyone with information to contact them in confidence at Castlereagh or on the Crimestoppers line at 0800 555111.