Police in Lisburn are appealing for information following a suspected arson attack in Church Hill, last week.
Police responded to a call from a site worker.
He reported that a Manitou fork lift had been extensively damaged by fire.
Chief Inspector John Wilson said that he would like to speak to anyone who was in the Church Hill area of the city on May 11 and may have witnessed anything suspicious in that area.
The number to call with any information is 101 or, alternatively, you can ring the independent charity Crimestoppers on 0800 555 111.