it follOws the reported discovery of a suspect device in the town.
As a result police have evacuated a number of shops, bars and restaurants for safety reasons.
Army Technical Officers have been tasked to the scene.
It is the second security alert in the town in the past five days.
Last Saturday, police uncovered a deadly mortar bomb device in the town’s Church View close to residential homes.
Police believe the New IRA’s target was the local PSNI station.