Koraput: A gas laden tanker truck which was heading towards Raipur, turned turtle and fell into 20 feet down, off the highway. The mishap occured near Padalguda village under Pottangi police limits. Fire and police teams rushed to the spot to avert any untoward incident as gas was leaking from the tanker. The vehicle was coming from Vishakhapatnam, reports stated. Till last reports came, efforts were on to contain the leakage and salvage the vehicle.