BANCROFT, Maine — State troopers responded to a report of a car on fire Saturday and found that a Lee man under the influence of bath salts intentionally had set the blaze.

State Trooper Dennis Quint, assisted by Trooper Jill Monahan and agents from the U.S. Border Patrol, responded to the Bancroft report. In his investigation, Quint discovered that Shawn Birtz, 33, of Lee was under the influence of bath salts and hallucinating and had set his girlfriend’s car on fire as the two of them were traveling on Bancroft Road. Birtz and his girlfriend were able to get out of the car, escaping injury as the vehicle was engulfed in flames.

Birtz later was taken to Houlton Regional Hospital for treatment of his consumption of bath salts. After being treated and later released, Birtz was arrested on charges of arson and domestic violence reckless conduct.

Birtz was taken to the Aroostook County Jail in Houlton.

Quint also was assisted by the investigator Ed Archer of the State Fire Marshal’s Office.