Johannesburg - A three-year-old boy died after his house caught fire in Elsburg, east of Johannesburg, on Friday morning, paramedics said. ER24 spokesperson Russel Meiring said paramedics had arrived on the scene and found the home in flames. Fire services were already on the scene trying to extinguish the blaze. "Upon inspection, paramedics and firefighters found the body of a three-year-old boy lying in the ruins."The boy was declared dead on the scene. Meiring said the boy's mother had sustained minor injuries. She was treated and transported to a nearby hospital.The cause of the fire was not yet known.