A 15-year-old boy has died following a serious car accident in the municipality of Herakleia, Serres, on Sunday morning. The teenager was driving a vehicle carrying three other children aged 9, 11, and 13. The accident occurred when the car veered off course and crashed into a lighting pole. All four minors were taken to a health center and then to Serres General Hospital, where the 15-year-old was placed in intensive care but sadly succumbed to his injuries. The other three children are in stable condition.