The cost of saving Northern Rock could cost the tax payer £2billion, according to a report from the Commons Public Accounts Committee.
The Newcastle-based bank got into difficulties in 2007 when it became the first bank in 150 years to suffer a run during the then financial crisis.
Margaret Hodge, the committee's chair, has said the then Labour government took too long before deciding to nationalise the bank in February 2008.
More top news
Newcastle Falcons have retained their Premiership status despite losing 23-14 to Saracens
Emma Jesson brings you Sunday night's forecast
Newcastle United must keep going in the battle to remain in the Premier League, according to Rafael Benitez