A cyclist in his 50's has died following a collision with a car in Rathfarnham.
It happened on Butterfield Park just after 8 o'clock yesterday morning.
The man was taken to Tallaght Hospital with serious injuries but died last night.
Gardaí are appealing for witnesses to get in touch with them.
Anyone with information is asked to contact Rathfarnham Garda Station 01 666 6500, the Garda Confidential Line 1800 666 111 or any Garda Station.