66 year old Duncan MacDonald was seriously injured after an incident at a rooming house at Prince William and Duke streets.
He died in hospital yesterday.
MacDonald was hurt on March 16th and the two men were both living in the rooming house at the time.
35 year old Nicholas Logan was arrested and detained, facing charges of resisting arrest and aggravated assault.
He will be sent to Restigouche for a mental health assessment before a court appearance in Saint John set for the 19th.
