Christian Horner investigated by Red Bull over alleged ‘inappropriate behaviour’

Horner, 50, who has been Red Bull team principal since 2005, strongly refutes the accusation.

Red Bull team principal Christian Horner is under investigation (Tim Goode/PA)

Christian Horner is under investigation by Red Bull following an accusation of “inappropriate behaviour”.

The PA news agency understands the allegation has been made by another member of staff for the British-based Formula One team which last year carried Max Verstappen to his third consecutive world championship.