Sixteen jawans, including three Junior Commissioned Officers and 13 soldiers, of the Indian Army, lost their lives in an accident on Friday as the truck they were travelling skidded down a steep slope and fell into a gorge, the Indian Army said in a statement. The accident took place at Zema in North Sikkim. The vehicle was part of a three-vehicle convoy that had moved from Chatten in the morning towards Thangu. Enroute at Zema, the vehicle skidded down a steep slope while negotiating a sharp turn, the Army statement said.