The incident took place on Friday morning.
Gardaí in Dundrum are appealing for witnesses following a cash-in-transit robbery that occurred at a premises on Taney Road in Dundrum, at approximately 10.35am this morning (Friday 13 December).
It is reported that an employee transporting a cash box was approached and allegedly threatened by a male armed with a firearm.
The suspect then stole the cash box, which contained an undisclosed sum of cash and fled the scene in a white van.
The van was found burnt out on Taney Crescent a short time later..
No injuries were reported and no arrests have been made.
Gardaí are appealing for anyone who may have witnessed this incident to come forward.
Gardaí are also appealing for any road users with camera footage who were travelling in the Dundrum area between the hours of 10am and 11am particularly on Taney Road and Taney Crescent to contact the incident room at Dundrum Garda Station 01 01- 666 5600, the Garda Confidential Line 1800 666 111 or any Garda Station.
