His left rear wheel flew into the track 's centre .
Mortara then regained provisional pole , until the session was stopped when Bianchi ran wide exiting the Reservoir Bend and glanced the tyre barriers at the end of the turn .
Mortara 's left rear wheel flew into the track 's centre .
Mortara then regained provisional pole , until the session was stopped when Bianchi ran wide exiting the Reservoir Bend and glanced the tyre barriers at the end of the turn .