Gardaí in Crumlin are investigating a suspected arson attack after a number of City Bin vehicles were found burnt out.
It is believed the incident happened last night at the refuse company's offices at Greenhills in Ballymount in Dublin.
Gardaí say the vehicles were set alight sometime between 10pm and 11pm last night.
The scene has now been technically examined - and Gardaí are viewing CCTV footage.
They are appealing for anyone with information in relation to this incident to contact them.