Police are investigating the contents of a container found by a member of the public in a park – who feared they had discovered “human or animal organs”.
Officers were called to Rosehill Park in Sutton, south London, at 4.30pm on Wednesday.
The container has been secured and its contents will be forensically examined, the Metropolitan Police said.
But the person who found it described the contents as “human or animal organs”.
A cordon remains in place at the scene.
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Rosehill Park is a short walk from Queen Mary’s Hospital for Children and St Helier Hospital.
The investigation continues.