Shortly after 7:30am, Gardaí were alerted after a cyclist was struck by a van at the junction of Griffeen Avenue, R136 and Balgaddy Road. The cyclist, a 19-year-old male, received treatment at the scene before being transported by ambulance to Tallaght Hospital, where he was later pronounced deceased. No other injuries were reported.
Garda Forensic Collision Investigators are currently examining the scene and local traffic diversions are in place. The local coroner has been notified and arrangements will be made for a post-mortem examination.
Gardaí are appealing for witnesses to the incident to come forward.
Road users who may have relevant camera footage (including dash-cam) and were traveling in the area at the time are asked to make this footage available to investigating Gardaí.
Anyone with information is asked to contact Lucan Garda Station at (01) 666 7300, the Garda Confidential Line at 1800 666 111, or any Garda station.