An investigation is under way into the attempted theft of a digger near an ATM in Ballybay, Co Monaghan.
Gardaí on patrol, including members of the Regional Support Unit, came across the incident at the rear of a premises in the Cornamuckglass area at around 2.30am.
A number of males fled the scene and were pursued by gardaí until they crossed the border.
No arrests have been made.
A Silver Ford Mondeo, which gardaí believe was used in the incident, was found at an industrial estate in Carrickmacross and has been seized for a technical examination.