A guard has been suspended from duty after being arrested on suspicion of drink-driving.
Gardai in Navan in Co Meath attended the scene of a single-vehicle collision involving an unmarked official Garda car with one occupant on the M3 at 10.30am yesterday.
The driver was a member of An Garda Síochána.
They were 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.
The Guard has been suspended from duty.
An internal disciplinary investigation is also now underway.