Gardai are appealing for witnesses to a fatal collision on the southside.
A motorcyclist in his 30s was seriously injured when his bike hit a wall shortly before 8 o'clock this morning.
He was treated at the scene by paramedics but died a short time later.
Forensic teams have carried out an examination of the site on the Terenure Road East at the junction with Ferrard Road.
Anyone with information is asked to contact Terenure Garda Station o 6666400 or the Garda confidential line on 1800 666 111.