Gardaí are investigating two separate road accidents in Dublin in which two men in their 20s died.

A man died after being struck by a car on Clontarf Road at 6.30am this morning.

It is believed the man who was in his 20s and from the area, had just got out of a taxi.

He was taken to the Mater Hospital where he died a short time later. The driver of the car was not injured.

The road outside the Yacht Pub in Clontarf has reopened to traffic.

Earlier, another man in his 20s was killed in a single-vehicle crash in Blanchardstown.

It happened on the Ongar Distributor Road at about 2.20am this morning.

The car involved is believed to have been stolen in February 2009, near Johnstown, Co Meath.

The 24-year-old driver of the car was fatally injured in the crash.

His body was removed to Connolly Hospital in Blanchardstown, where a post mortem examination will be carried out.

Two other men, also in their 20s, were arrested near the scene and are detained at Blanchardstown Garda station.

The scene of the crash has been closed off for technical examination.

Meanwhile, gardai have named the man who died in a road collision in Co Clare yesterday.

He was 54-year-old Jim Ahearn of Kilrush, Co Clare.

He died when his car collided with a tree at Tullabrack, Cooraclare at around 5.10pm.