A dog left alone in a truck set off a shotgun and shot a woman in the arm in Nebraska. NEBRASKA, USA — A dog set off a shotgunwhich hurt a woman outside a store in Nebraska on Saturday. Police from the Scottsbluff Police Department were called about a shooting involving a BB gun around noon. The call later updated to say a shotgun was fired, a press release said. When officers got to the scene in Scottsbluff, near the Wyoming border, they found a truck with an attached camper, and the “passenger side door panel of the vehicle had…