It's after a collision in Co Meath yesterday.
A Garda has been arrested on suspicion of drink-driving and has been suspended from duty.
It follows a collision in Co Meath yesterday. Gardaí in Navan attended the scene of a single vehicle collision on the M3 yesterday morning at around 10:30am.
The collision involved an unmarked official Garda car with one occupant.
The driver, a member of An Garda Síochána, was arrested at the scene on suspicion of driving under the influence of an intoxicant.
A criminal investigation into breaches of the road traffic act is currently ongoing. An internal disciplinary investigation has also begun, and the guard has been suspended from duty.