A cyclist has died after he was knocked off his bike at Browns Barn Roundabout in Saggart, Co Dublin.

His death is the third on Irish roads in under 24 hours after separate fatal crashes in counties Limerick and Tipperary.

The latest crash happened at 5.20pm this afternoon when the man in his 30s was knocked to the ground.

He was taken to Tallaght Hospital but died there this evening.

The road is closed for a forensic examination and gardaí have appealed for witnesses.

Elsewhere, a man in his 40s died in a two-car collision in Limerick this morning.

The crash occurred at around 6.50am at Reens Pike.

The driver of one of the cars was killed while the driver of the second car was injured.

In Co Tipperary, a teenager was killed and three other people were injured in a road crash last night.

The 18-year-old driver of the car was pronounced dead at the scene of the crash on the M7 at Junction 22 near Roscrea at around 9pm.

His body was removed to University Hospital Limerick.

Three passengers in the car, two women aged 20 and 19 and another 18-year-old man, were injured and taken to the Midland Regional Hospital, Portlaoise but have all since been released.