Christian Horner has been accused of “lying” and playing “dirty games” at Red Bull after a fierce attack from outgoing adviser Helmut Marko. Horner lost an internal power struggle at the F1 team earlier this year when he was dismissed as team principal in July after 20 years at the outfit and 14 world championships to his name.

Christian Horner was axed from Red Bull in July and almost overnight the dark cloud and reputation that surrounded the Formula 1 team started to lift.

Monday's F1 news includes a Sky F1 pundit breaking rank as a new theory on Christian Horner's Red Bull sack emerges.