With Verstappen teetering on the edge of a race ban, Horner wanted to alert the relevant authorities to the prospect of the Red Bull driver being goaded into an incident in Montreal

The Formula 1 Canadian Grand Prix ended under Safety Car conditions, with George Russell leading Max Verstappen and the rest of the field to the checkered flag. But while the podium celebration has come and gone and the media pen has gone quiet, Red Bull is not done contesting this race.