Inside Bombardier's 'giant gamble'

After years of speculation about the financial viability of Bombardier's C-Series aircraft programme, the Canadian company says things are back on track.

Bombardier was showing off its new aircraft at the Farnborough Airshow, ahead of the plane's commercial debut this week when airline Swiss begins flights.

The BBC's Theo Leggett went to Farnborough to look inside a 'giant gamble' that almost brought Bombardier to its knees.