The Lampasas County Sheriff’s Office is investigating an assault that occurred on Saturday night.
Deputies said they responded to an assault in progress in the 10000 of US Highway 190 East.
The 43-year-old suspect fled the scene while the victim remained at the scene.
Deputies found the suspect nearby on FM 1715 and detained for the investigation. After talking with a deputy, officials said the suspect grabbed a can of gasoline from his vehicle an set himself on fire.
The deputy extinguished the flames and the suspect was transported to Baylor Scott & White Hospital in a helicopter to be treated for his injuries, according to the Lampasas Sheriff's Office.
The case remains under investigation.
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