By Felix Keith The woman who accused Christian Horner of inappropriate behaviour has reportedly made an official complaint to Formula 1’s governing body, the FIA. Red Bull team principal Horner was cleared of the allegations after an internal investigation by his employer, who then suspended the unnamed employee on full pay. The investigation was carried out by an external KC, but the employee has now escalated things by going to the FIA. BBC Sport reports that an official complaint has now been lodged with the organisation’s ethics committee. Horner has always denied the accusations made agai…