Shocking CCTV footage showed the moment a group of "up to 20 teenagers" ambushed a woman's car.
The incident happened in Ballybrack in Co Dublin in January.
Stills of the footage show teenagers throwing what looks like eggs at the car.
The incident, from the start of the year, took place shortly after half ten on January 4 according to the footage, DublinLive reports.
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Reports suggest that as well as this, the group of youths reportedly 'hurled a missile' at the windscreen of the vehicle.
After that, they allegedly attacked the car causing further damage.
A spokeswoman for the gardai said at the time that: "A female was driving through Ballybrack when an item struck the windscreen of her car.
"No damage was caused.
"Youths were seen in the vicinity of the incident, who in turn caused damage to the car."
"It is being treated as an incident of criminal damage.
She concluded: "No arrests have been made and investigations are on going."
