Two men threatened security staff who were delivering money to a Post Office in Bluebell before making off with an undisclosed amount of cash.
Gardaí are appealing for any witnesses to come forward.
At around 3.30pm yesterday afternoon, two men – one believed to be armed with a handgun – approached and threatened security staff as they were delivering money to a Post Office on La Touche Road in Bluebell.
The two men fled the scene – with an undisclosed sum of cash – in a gray coloured Volkswagen Golf – partial registration 07 D.
The car was being driven by a third man and left the scene in the direction of Kylemore Road before being later recovered by Gardaí.
No injuries were reported.
The men – both in their 20's- are being described as 5'7″ and 5'9″ in height.
As part of the on going investigation, Gardaí stopped a car on Francis St in the early hours of this morning.
The car and driver were searched and a sum of money was discovered.
A 19 year-old man was arrested and is currently being detained at Kevin St Garda station.
