Fire crews were called out to reports of a digger being set alight and dumped in a ditch in Epworth last night.
Humberside Fire and Rescue attended the incident at around 9.49pm in Idle Bank Lane Epworth, where a teleporter vehicle, which is a type of agricultural digger, was alight in a ditch.
A Humberside Fire and Rescue spokesman said they believed the fire had been started deliberately.
Firefighters remained on the scene until around 10.05pm, when the incident was left with Humberside police.
More to follow.