By The Nation
Relatives called police after finding the body of Samarn Sri-on, 51, in a makeshift hut inside a rubber plantation in Ban Tha Manao, Tambon Na Or, at 9:47pm.
He was found lying on his back, with an unopened lunch box nearby.
Relatives said Samarn had suffered from high blood pressure.
While the circumstances of his death were mysterious, police said there was no evidence of a fight having taken place at the scene.