A CUB scout was hailed a hero after rescuing a pal who broke both arms when he fell into a ravine.

Mark McKeown, 10, drew on his cub training and the help of his Alsatian Petra when best friend Christopher Randall fell 15 feet from a tree swing. Mark, from Darwen, told Petra to lie alongside Christopher to keep him warm while he ran to phone an ambulance. "I was panicking at first," said Mark, "but then I pulled myself together!"