The Transport for London Commissioner claims Crossrail 2 is needed because London's population is growing by "a tube train a week".
Peter Hendy joined Mayor Boris Johnson at the launch of a public consultation where the price tag for the project remained a mystery. Simon Harris reports.
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The Foreign Secretary has defended his decision to miss a crucial Commons vote on Heathrow expansion.
The 15-year-old from Grays in Essex was killed after a fight started at a birthday party.
Launching on 27 June, the exhibition will include works from renowned artists including Sarah Lucas, Thomas J Price and Sean Scully.