A man on a bicycle stole a cash box from a cash-in-transit van in north Dublin earlier this week.
The incident happened when the van was making a delivery to a premises in Beaumont at around 2pm on Tuesday, 9 May.
The man approached the security guard demanding cash.
He then fled towards Trim Road with a cash box.
No one was injured in the incident.
Gardaí have appealed for anyone with information to contact Santry Garda Station on 01-6664000, the Garda Confidential Line on 1800 666 111 or any garda station.