A man in his 30s arrested on suspicion of murder in Blacklion remains in Garda custody.
The body of a man in his 50s was found unresponsive yesterday morning with serious injuries at a house in the village.
A post-mortem examination is due to take place this morning.
Speaking to Ocean FM news this morning, Local Fianna Fail Cllr John Paul Feeley says the man killed had only been living in the area for a short time: