Meet Tre T, the free-running dog. With his breath-taking mastery of Parkour, he takes walkies to a whole new level. The death-defying pooch, who lives in Ukraine, is shown here running and jumping on walls, climbing trees, scaling ladders, fences and huts. Tre T jumps from object to object with guile and grace, without a paws for thought. Any cats in the area had better beware: there's no way of escaping from this dog. Tre T the Ukrainian freerunning dog, who has become an Internet sensation, scales a wall here The amazing pooch climbs up trees, over walls and fences - and never stops wagging his tail The five-year-old jumps from object to object with guile and grace, without a paws for thought The five-year-old American Staffordshire Terrior has become an Internet sensation with his skills. You'll struggle to keep this guy in the doghouse as he loves mastering the outdoors - and his waggy tail shows that. It's not suprising that Tre T, who weighs 33kg, has managed to attr