TETONIA — An incinerating inferno engulfed a tall, commercial building late Friday night in Tetonia, as a Teton County Fire & Rescue crew fought blazing flames and “heavy fire conditions” for hours next to 2nd Street and Leigh Avenue. First responders battled all night to completely contain the fire. The call reporting the fire arrived at about 11 p.m., according to a fire district statement, and seven firefighters from Station 1 in Driggs responded. No civilians were hurt during the blaze, though one firefighter sustained a minor injury. The department stated that for this type of incident, N…