A vacant trailer fire in Somerset County has sparked another investigation into a series of arsons.

Investigators say a vacant trailer caught on fire at 133 Gary Lane in Somerset Borough around 2:30 a.m. Sunday morning.

Somerset, Listie, Friedens and Rockwood Fire Departments responded. State Police and Somerset Borough police are investigating.

This is the tenth suspected arson at Cherry Lane Estates since May.

Investigators have interviewed persons of interest, but can’t call anyone a suspect at this point.

Pennsylvania Crime Stoppers is offering a cash reward for any information.

If you have any information you may call PA Crime Stoppers at 1-800-4PA-TIPS. All callers remain anonymous and are eligible for a cash reward.