A 54-year-old man died and his 13-year-old son is missing after an incident while swimming at Xuân Thành beach. Authorities suspect the father’s death was due to a sudden medical event, potentially a heart attack, leading to drowning. The man’s body was recovered on the shore. Search and rescue operations are currently underway to locate the missing boy. Local authorities have been notified and are coordinating the search efforts. The incident occurred while both were swimming, and the circumstances surrounding the son’s disappearance are still under investigation. This event has prompted increased safety warnings for beachgoers in the area.