State Fire Marshal’s office investigating rash of Unity fires The fire at the United Methodist Church was believed to have broken out in the basement Monday evening, the town's third fire in a span of six days. 5 of 5 Fire investigators work along the back side of the United Methodist Church on Tuesday in Unity following a fire that damaged the church Monday night. Rich Abrahamson/Morning Sentinel UNITY — After three fires in less than a week in town, the Maine Office of the State Fire Marshal is investigating the causes of the fires, and if there is a connection between them.