Three men have been arrested in connection with the aggravated burglary at the home of Tom Niland in Skreen, Co Sligo, on 18 January.
The men, one aged in his 20s, one in his 30s and one in his 50s, were arrested in the northwest region on suspicion of burglary.
The men are currently being held at separate garda stations in the Sligo and Leitrim division.
