A Caledonian Sleeper service from London to Glasgow and Edinburgh was cancelled in the early hours of the morning as problems continued for the new trains.
Caledonian Sleeper workers are to vote on whether they should go on strike amid claims staff are suffering “physical breakdowns” due to stress.
The new Caledonian Sleeper service arrived in London more than three hours late following signalling problems on the line.
Caledonian Sleeper has launched its new £150 million fleet of trains, with British travellers now able to sleep on a double bed on the service for the first time.
A new fleet of Caledonian Sleeper trains, with double beds and en-suite bathrooms, have been unveiled and transported passengers for the first time.