A 9-year-old red panda named Barney from the Cologne Zoo escaped from his cage, breaking out with the aid of a bamboo that was weighed dobwn by heavy snowfall, according to the fire department on Friday. Animal keepers and the fire brigade were deployed after the animal was found in a tree on Thursday. Zoo staff called the firefighters as they were unable to persuade the animal to come down on his own. The emergency services used a rescue ladder to persuade the runaway panda to leave the tree. Back on the ground, Barney was then caught by his caretakers. “Grumbling slightly,” he was returned t…