A giant tortoise at Bristol Zoo has been given a health check by zoo vets after developing a nasal infection.

Helen, Bristol Zoo's 90kg giant tortoise, was checked into an on-site clinic after keepers noticed her unusual breathing.

One nasal flush, some diagnostic tests under anaesthetic and a course of antibiotics later, and Helen's nasal infection is doing a lot better.

Helen is a 32-year-old aldabran giant tortoise - a species classified as "vulnerable" - and has been at Bristol Zoo for 11 years.

She could live to be 150 years old, according to keepers.

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