The woman in her 50s was bitten while watching keepers working in the carnivore enclosure at Darling Downs Zoo, south of Toowoomba, on Sunday morning.

MELBOURNE, Australia -- A woman has sustained severe injuries to an arm when she was attacked by a lion at an Australian zoo. The Darling Downs Zoo in Queensland state said the 50-year-old woman was watching animal keepers working in the zoo’s carnivore precinct before opening hours Sunday morning when she was attacked.

A woman in her 50s was critically injured following a lion attack at Queensland's Darling Downs Zoo on Sunday morning. As investigations continue, questions are being raised about the zoo's safety procedures and whether its animal management protocols were properly followed.