He was interviewed for several hours by an independent barrister in London last week, with it understood that the preliminary results of the investigation are now being evaluated by Red Bull pending a final decision from it on what, if any, action needs to be taken.
Horner has denied any wrongdoing over the matter and has continued in his team principal role – attending this week's shakedown of the new RB20 car at Silverstone as well as Thursday's official launch at its Milton Keynes factory.
