Belfast Zoo Visitors ‘Petrified’ As Escaped Chimpanzees Roam Free

Four chimpanzees escaped their enclosure and roamed freely throughout the zoo in Belfast, Northern Ireland, on Feb. 9, 2019. Dean McFaul via Storyful

Chimpanzees at a zoo in Northern Ireland roamed free after escaping their enclosure with the help of a branch.

Belfast Zoo officials told BBC that the chimpanzees made an improvised ladder from a large tree branch that was propped up against a wall.