Gardaí have launched a search for a group of three men who were seen acting suspiciously in Co Louth today.
A number of patrol Garda cars and a Garda spotter plane are currently searching the area.
A Garda spokeswoman said she could not confirm reports that the men were armed and wearing balaclavas.
Motorists in the Collon and Ardee areas are being asked to report any suspicious activity.