What happened seconds before the Air Canada plane crashed at LaGuardia Airport?

An Air Canada plane collided with a fire truck at New York’s LaGuardia Airport, killing two pilots and injuring several passengers and crew.

BBC Verification has been using air traffic control audio and flight tracking data to piece together what happened on the tarmac on March 22, as explained by Jake Horton.

Produced by Aisha Sembbi. Graphics by Mesut Ersoz. Confirmed by Daniele Palumbo.