The puppy didn’t move away, but it didn’t attack either. It just trembled, pressing itself closer to the frail body beneath it. Its chest rose and fell too fast; its nose nudged the smaller one every few seconds, as if to make sure he was still breathing.
Behind them, the stopped trains let out low hisses as their engines cooled. Hundreds of faces stared from windows watching as three humans and one desperate dog tried to save something no bigger than a shoe.