The incident happaned at Clarehall Shopping Centre on Monday morning
A man is due before the courts in Dublin this morning in connection with a cash-in-transit robbery.
The incident happened at Clarehall Shopping Centre at around 9.30am on Monday morning.
Security staff were approached by a man with what appeared to be a knife.
He then threatened staff and escaped with a cash box.
Following an investigation, a man in his 20s was arrested on Thursday.
He is due before Dublin District Court this morning charged in relation to the robbery.