A murder investigation has been launched after a man died following a serious assault in north Belfast.
Paul Mackin Jr, aged 44, died from his injuries after the attack inside Eithne House on Duncairn Parade on Monday.
Mackin Jr died in hospital on Wednesday evening, police said.
A 41-year-old man, previously arrested on suspicion of attempted murder and who remained in custody, has now been arrested on suspicion of murder.
A 40-year-old, arrested earlier in the week on suspicion of attempted murder, was released on bail.
A 32-year-old, also arrested on suspicion of attempted murder has been released unconditionally.
Police have asked the public to avoid speculation on the circumstances around this attack, which they say is upsetting for the family and friends and could have a detrimental impact on the investigation.