Gardaí in Letterkenny are investigating the circumstances surrounding the death of a man whose body was found in his car this morning. The car, which was found in the Newmills area, about three miles from the town, was partly burned. At this stage Gardaí say that they are treating the death as suspicious. A Garda technical team is examining the vehicle and the state pathologist Dr John Harbison is expected to travel to Letterkenny to carry out a post mortem on the man's body.