THE TRAGIC deaths last Friday night of a woman and her five-year-old son, who were found unconscious inside a car with the engine still running, may have been caused by a defective exhaust pipe that filled their vehicle with toxic fumes, a Traffic Police

The bodies of a 49-year-old woman and her five-year-old son have been submitted for autopsies after they were found dead in their car with the engine running at a restaurant parking lot in Bangkok's Lat Phrao district on Friday night.