The FIA has summoned organizers of the F1 US Grand Prix following an unexpected track invasion at the Circuit of the Americas.

Whether on a pitch, court, field, course, canvas or track, the team and/or athlete which is working most impressively to best the competition is surely the centre of attention. This, after all, is the very nature of sport and the foundation of its intense allure.

United States Grand Prix organisers have been hit with a $500,000 (£384,000) fine after an early track invasion by hundred of spectators led to an “unsafe” end to Sunday’s race. An estimated 200 fans made their way into the start-finish straight at the Circuit of the Americas in Austin,