SAfm — Residents of Vanderbijilpart, in Gauteng's Vaal Triangle are still reeling in shock following an explosion at one of the town's substations. A video of the explosion shows motorists driving past the substation making frantic U-Turns as a ball of fire and thick smoke filled up the sky. The explosion has caused widespread power outages in several areas surrounding the substation and the damage is estimated to run into Millions of rands