The director of a chemical company accused of helping Libya build a suspectedpoison gas plant was found unconscious in his car after attempting suicide, police said Friday.

Hans Renner, the 60-year-old executive director of the embattled Imhausen-Chemie firm, was discovered by forestry workers at 12:30 p.m. Thursday after he had consumed something apparently intended to kill him, said a Lahr Police Department spokesman, Emil Roth.Roth said Renner left no written message as to his reason for the suicide attempt but that officers were speaking with his wife about his presumed motives.