Gardaí are questioning a man in his 30s following an attempted armed robbery at a post office in Co Wicklow this morning.

A man entered the post office in Rathnew at about 11am armed with what is believed to have been a firearm.

He made threats to staff at but left the scene with no money. No-one was injured at the post office.

Gardaí arrested a man in the Greystones area of Wicklow at about 12.30pm.

He is being detained at Wicklow Garda Station where he can be held for up to 72 hours.

Gardaí are appealing for anyone with information to contact them at 404-60140.