Investigators will face a difficult task piecing together the cause of a fiery crash on Tsuut'ina Trail involving a vehicle travelling in the wrong lane of the freeway, a retired RCMP officer said Tuesday. Both vehicles caught fire, and everyone in those two vehicles was killed in the crash. "We received a call just before the collision about a vehicle travelling the wrong direction, south in the northbound lanes. Advertisement AdvertisementAdvertisement Advertisement"Tragedy is the appropriate term for it," said Kevin Charles, a retired RCMP officer and justice studies professor at Bow Valley College. Alberta RCMP reported five fatal collisions and 28 crashes resulting in injuries from July 31 to Aug. 3 in the province.