A group of South African scientists has pleaded for help, saying they are trapped in an isolated base on a cliff edge in Antarctica with a team member who has become violent. One of the team has been accused of assault and threatening violence against his colleagues,

Scientists trapped at a remote Antarctic base have called for urgent rescue after a team member allegedly physically assaulted and threatened to kill a colleague. The South African research group at the Sanae IV base has also reported sexual assault allegations against the same person.

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