A large number of departures from London's Kings Cross have been cancelled this morning.
This morning's delays come after thousands of rail commuters struggled to get home because of an electrical supply problem last night.
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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.