Christian Horner – latest: Red Bull boss investigation commented on by Toto Wolff - The Independent
- Christian Horner – latest: Red Bull boss investigation commented on by Toto Wolff The Independent
- Toto Wolff calls for transparency in Red Bull Horner investigation The Guardian
- FIA follows F1 with big Horner and Red Bull announcement GPFans EN
- Christian Horner: Mercedes boss Toto Wolff says investigation into Red Bull chief is 'an issue for all of F1' Sky Sports
- Helmut Marko defends Red Bull over Christian Horner investigation The Independent