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Released medical research chimps at risk in Liberia
25 August 2015 Last updated at 05:09 BST
A group of chimpanzees, used for American medical research, have been released back into the wild in Liberia.
Wardens helping to look after them say that the survival of the animals is now at risk, because there isn’t enough funding to care for them.
Sophia Tran-Thomson reports.
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