Overnight guests rushed to safety as lions slip loose from Sydney zoo enclosure
Zoo keepers tranquilised and returned one cub while the remaining four made their way back of their own accord.
Lions at Singapore wildlife park infected with Covid-19
The endangered Asiatic lions started displaying signs of illness at the weekend, prompting officials to order coronavirus tests.
Lions test positive for Covid-19 in Indian zoo
This is not the first recorded case of Covid-19 in captive big cats.
Four lions test positive for Covid at Barcelona zoo
They suffered only mild symptoms and have since recovered, the zoo says.
