TWO PEOPLE HAVE been killed in two overnight traffic accidents in Dublin.

Gardaí in Clontarf are investigating a single vehicle accident which occurred at Fairview.

The collision occurred at 1.52am when a car collided with a pole at Fairview with the junction of the Malahide road.

The three occupants were seriously injured in the collision.

A female passenger in her 20s was taken to the Mater hospital where she was later pronounced dead.

A male, aged 20-years-old, was taken to St James hospital where his condition is described as stable. The driver, aged 26-years-old was taken to Beaumont hospital where his condition is described as critical.

The road is closed for a forensic collision examination and diversions are in place.

In a separate accident, one person was killed in a single vehicle crash on the N81 Blessington Road.

The collision occurred at approximately 2.40am when a car collided with a tree on the N81 at Brittas.

There were five occupants in the car at the time of the collision.

One male, aged 21-years-old, was seriously injured and pronounced dead at the scene.

The four males who were also in the car were aged, 19, 20, 21 and 22-years-old.

They were taken to Tallaght and St Vincent’s hospitals for treatment and their conditions are described as non life threatening.

As a result, the N81 Dublin /Blessington Road is closed in both directions between Brittas and Citywest and diversions are in place.