Gardaí are asking for the public's help after an alleged sexual assault in Tallaght late on Christmas Eve.
It happened on the Tallaght Bypass between 9pm and midnight, near Jobstown.
The victim was a woman aged in her thirties.
Officers investigating the case are appealing for witnesses who might have been travelling in the area at the time.
They especially want to hear from drivers who might have recorded dashcam footage .
Anyone with any information is being asked to contact Tallaght Garda Station or the Garda Confidential Line.