British zoo defends decision to kill escaped snow leopard

Undated photo issued Friday Nov. 30, 2018, by Dudley Zoological Gardens, showing snow leopard named Margaash which was euthanised after escaping from its enclosure at Dudley Zoo, in Dudley England. The eight-year-old animal escaped from its enclosure on Oct. 23, 2018, and was shot because the vet did not believe a tranquillizer dart was a safe option. (Dudley Zoological Gardens via AP)

LONDON — A British zoo has defended its decision to kill a rare snow leopard that got out of its enclosure when a door was left open.