As Sliabh Liag remains closed off for a fourth day, it’s understood Gardai are trying to track down the family of a man who has been missing since the weekend.
It’s believed the man may have been the victim of a serious assault.
Searches have been ongoing since Monday for the man who is believed to be in his mid 60s and from Northern Ireland.
A man and woman were arrested in connection with the alleged assault earlier this week but were released without charge.
Superintendent Karen Duffy, from the Ballyshannon District has not yet confirmed the course of the investigation but is however, appealing for information:
