The CEO of FirstGroup has just told me it is considering new legal action after today's admission of errors.
He could also demand more compensation than currently on offer.
Tim O'Toole also told me he has " an apology but no explanation" and wants more information.
The mess that is emerging over the bidding process for the West Coast Main Line will be costly and raise the question of re-nationalisation.
The decision to award FirstGroup the West Coast Main Line rail franchise has been cancelled, the Department for Transport said.