Police in Strabane are growing concerned for missing person Darren Donaghy, who was last seen in the Castlederg area on Friday 4th June.
Darren is 43 years old, approximately 5ft 9', medium build with short fair hair.
He is believed to have been wearing a red t-shirt and navy Adidas tracksuit bottoms.
There is a possibility he may be in Donegal, the last possible sighting was on the border.
The public in Bundoran, Ballyshannon, Killybegs, Donegal Town and Letterkenny areas are being asked to check outhouses and farm land.
Anyone with information about Darren is asked to contact police on 101.