Less than a day after three toddlers were rescued after being left in broiling vehicles by careless relatives, a fourth was left in a locked car on Thursday morning by a grandmother in Petah Tikva.The two-year-old boy was mistakenly locked in the car by the grandmother, who left the car to go home and bring a spare key. Passersby saw the child and broken the window to evacuate him, but his scalp was scratched when they took him out of the car. He was treated by United Hatzalah medics at the site.UH urged adults not to leave children in a car even for a moment so as to avoid harming or killing them. A video sponsored by Beterem (the Israel Association for Child Safety and Health) showing chef Haim Cohn leaving pizza dough, cheese and tomato sauce in a car for 30 minutes on Wednesday -- actually baking and burning the pizza -- has gone viral on the Internet. He urged adults not to leave children in vehicles even for an instant.