A Londoner has died during an expedition in the Arctic with two friends when the group got into trouble. They started their attempt to cross the Greenland ice cap on April 19 in a bid to raise more than £5,000 for the The Queen's Nursing Institute.
The two other British men are being treated in hospital.
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Rahman was ejected from his powerful job in April by an Election Commissioner after being accused of corrupt and illegal practices.
The service was due to start in September but there is no agreement on pay and conditions such as how many night shifts staff will work.
Would you know what to do if you needed help? Here's the official advice from the Foreign Office.