A man in his early 40s was arrested following a robbery at a shop in Tallaght.
Shortly after 6p.m. yesterday evening, Monday 20th, a man armed with a knife entered a shop in Castletymon Shopping Centre and threatened staff before leaving on foot with a sum of money.
Gardaí from the Tallaght district drugs unit were patrolling the area and tackled the man to the ground.
The man threatened Gardaí with his knife but was arrested at the scene.
The sum of cash stolen was also recovered.
The suspect is currently detained under Section 4, Criminal Justice Act, 1984 for questioning at Tallaght Garda station.
No persons were injured during the incident and investigations are ongoing.
He is due to appear before Tallaght District court this morning, Tuesday 21st at 10:30am.