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An Antarctic scientist at the Jang Bogo station allegedly pulled a makeshift knife on a colleague (Picture: Getty Images)

The royal will be kept in for observation over the weekend.

A gunman has opened fire at a social security office and a courthouse in central Athens, wounding several people.

The condition of Omurbekov, believed to be the target of the bombing, is unknown, but one local report said he 'narrowly survived'.