NAB boss CEO Andrew Thorburn apologises as Royal Commission suggests criminal breaches on fees for no service

The National Australia Bank is staring down the prospect of criminal charges for trying to bury evidence that it allegedly charged fees for no service. 

The latest damaging revelations in the financial services Royal Commission has prompted the NAB's chief executive Andrew Thorburn to issue an extraordinary apology to his customers. 

ABC's Peter Ryan says there is speculation that Commissioner Hayne might refer potential civil or criminal charges to commonwealth prosecutors.