He is being held at a Garda station in Kildare.
A man has been arrested after Gardaí were called to reports of a man driving on the M4 in Kilcock armed with a suspected gun yesterday morning.
The man in his 20s was arrested in the Tallaght area of Dublin following a Garda operation, and an imitation gun was recovered.
He is currently being held at a Garda station in Kildare.
Minor damage was caused to two Garda cars in the course of the incident - no one required immediate medical attention.
Gardaí say investigations are ongoing.

Outbreak Of Bird Flu Has Been Confirmed In Carlow Turkey Flock
Lidl To Open Country’s First Net Zero Energy Store In Maynooth This Thursday
Contract For Maynooth Eastern Ring Road Project Awarded To Compnay Based In Kilcullen
Policy Shift Allows Private Sector To Construct Wastewater Plants For New Housing
End Of An Era At Berney Bros Saddlery In Kilcullen As Master Craftsman Retires After 51 Years
Parents Invited To Take Part In Major Survey On Primary Education’s Future
€102,600 Granted For Repairs To The Ballymore Eustace Liffey Linear Golden Falls Loop Walk
New "Affordable" Naas Homes Cost More Than Families Are Allowed To Borrow From Council