A scientist has allegedly attacked and threatened colleagues while they're stuck at an isolated base in Antarctica for 10 months, an email reportedly stated.

Application error: a client-side exception has occurred (see the browser console for more information).

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,