At that level of alcohol, Dr Nolan said the driver was at risk of losing consciousness and dying from the effect of alcohol on its own.

The Dublin Port Tunnel toll will increase by €1 for southbound traffic between 6am and 10am on weekday mornings.

The driver and sole occupant of the vehicle, a man in his 20s, was arrested and an imitation firearm was recovered.

Cheddar on the loose

A temporary speed limit reduction is being put in place until December

It happened last night on the M4 Kilcock Westbound, when two cars collided shortly after 11pm.