By Lucy Skoulding Dog-loving protestors were dragged out of Crufts yesterday evening after they stormed the popular event. Security guards tried to stop the activists, who were from People for the Ethical Treatment of Animals (Peta) \- but new video from the annual event shows how one managed to get through to the middle of the arena to hold a sign up. A fight broke out and moved into the seated area of the arena. Footage shows one man trying to force a woman to let go of the barrier she was gripping tightly onto. The crowd can be heard shouting at the protestors, telling them to get out and h…