"I have had to cancel the competition for the running of the West Coast franchise because of deeply regrettable and completely unacceptable mistakes made by my department in the way it managed the process.
A detailed examination by my officials into what happened has revealed these flaws and means it is no longer possible to award a new franchise on the basis of the competition that was held.
Passengers can rest assured that while we seek urgently to resolve the future arrangements the trains that run now will continue to run, with the same drivers, the same staff and timetables as planned."
Scotland's Transport Minister will outline his concerns at Holyrood
Russell Brown MP, has described the admission of flaws in the West Coast Mainline bidding process as "an utter shambles".
The competition to operate the West Coast Main Line has been cancelled after flaws were discovered in the bidding process.