Local sources have suggested the victim was recently acquitted of abuse allegations.
A man is being questioned about the discovery of a body in Mayo.
He was arrested on suspicion of murder following a house fire in Castlebar yesterday.
The victim has been named locally as 83 year old John Brogan.
Emergency services were called to the scene of a fire at a house on Pheasanthill in Castlebar shortly after 6.30 yesterday evening.
Mr. Brogan's body was discovered inside the house - with reports he had suffered a number of gunshot wounds.
Local sources have suggested Mr. Brogan was recently acquitted of abuse allegations.
Gardaí have since arrested a man on suspicion of murder, who's being questioned at Castlebar Garda Station - and the services of the State Pathologist have been requested.
Anyone with any information in relation to the case is urged to contact any garda station or the Garda Confidential Line.
Controversial Orange Order Parade For Nationalist Road Gets Go-Ahead
Women Aged 50-65 Leaving Workplace Earlier Than Men
Pressure On TikTok To Reveal Viewer Figures Of Harmful Content
Taoiseach Highly Critical Of Israel In UN Address
Gardaí To Begin Pursuit Training In December
Tallaght Hospital's Emergency Department For Children Will Close For Four Days
Poll Reveals Top Priorities For Voters In Upcoming Budget
Man U Legend Cantona Visits Newbridge Silverware
