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In 2012 a dinosaur skeleton became the subject of both a restraining order and a court case.

Mongolian palaeontologist, Dr Bolortsetseg Minjin helped stop the dinosaur falling into the hands of a private buyer after spotting a photo of the skeleton on TV in the United States.

The case became known as United States v One Tyrannosaurus Bataar Skeleton.

She told Gill Kearsley her extraordinary story.

(Photo: The 70-million-year-old Tyrannosaurus bataar on display in Ulan Bator. Credit: Byambasuren Byamba-Ochir/AFP via Getty Images)