A keeper has died after a tiger entered an enclosure at a Cambridgeshire zoo on Monday.
The female keeper's death at Hamerton Zoo Park was described as a "freak accident".
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In a statement, the zoo said staff were too upset to talk because "one of our colleagues was killed".
It said that an investigation is underway and that the female worker's death was a "freak accident".
Cambridgeshire Police told the BBC: "A tiger had entered an enclosure with a keeper. Sadly the female zoo keeper died at the scene."
The zoo was evacuated on Monday morning due to what police described as a "serious incident".
A number of visitors took to social media and said a tiger had escaped, but a Cambridgeshire Police spokeswoman said: "We can confirm that no animals have escaped and members of the public are safe."
According to the BBC, officers arrived at the zoo at 11.15am on Monday with ambulance crew and Magpas air ambulance service.
The zoo remained closed for the rest of the day and will be closed on Tuesday 30 May.