A Glendora man was killed Saturday night after he lost control of the car he was driving, hit a guardrail and was struck by another motorist, police said Sunday.
Gregory Koszewski, 46, was driving east on California 138 when he lost control of the car for an undetermined reason and crashed into a guardrail at 7:05 p.m., said Officer Ken Lane of the California Highway Patrol.
Lane said the accident, which occurred near 165th Street East, remained under investigation.
Officers said Koszewski, who was pronounced dead at the scene, was not wearing a seat belt. There were no reports of other people injured.