A security alert is underway in Newtownbutler, Co Fermanagh.
Police were called to the Wattle Bridge area following reports of a suspicious object.
Diversions are in place and police advised that disruption can be expected.
A police spokesperson said: “The diversions are in place between Newtownbutler and the border and on the A3 - Clones, Cavan Road in both directions.
“This may cause significant disruption in the area and motorists are advised to avoid the area and seek alternative routes.”
They added: “Police are advising motorists and the public to report any unusual or suspicious activity in the area.”