The bus which is described as a mid sized privately owned passenger bus, was parked in the Killarney Outlet Centre car park.
The incident is reported to have occurred at approximately 3 O’Clock this morning.
Gardai sealed off the area this morning and a full technical examination was carried out.
The bus has since been removed.
Inquiries are on going and Killarney Gardai are appealing for witnesses to contact them.