HS2 will 'prove its worth' chief executive of HS2 Mark Wild says.He made the comments days after an influential group of MPs described HS2 as an example of "how not to run a major project".

HS2 will 'prove its worth' chief executive of HS2 Mark Wild says.He made the comments days after an influential group of MPs described HS2 as an example of "how not to run a major project".