The head of Dublin Bus will tell TDs and Senators later the 'vast, vast majority of services' operate on time and on schedule. However, Chief Executive Billy Hann will apologise to customers who have had a poor experience, when he appears before an Oireachtas committee this evening.

Anton Savage was joined by Brian Caulfield, Associate Professor at the School Of Engineering, Trinity College Dublin and Paul Donnelly, Sinn Fein TD for Dublin West to discuss...