Tayside Police are appealing for witnesses after over 600 bales of hay were found on fire at a barn at Herdhillmuir Farm near Kirriemuir at about 10pm on Thursday night.
Around £30,000 of damage was caused to the barn as a result of the fire.
Police are keen to trace an individual who was seen holding a torch on a path near to the farm shortly before the fire. This person may be able to assist police with their enquiries.
Anyone with information in relation to the incident should contact Tayside Police on 0300 111 2222.