The governing body for Formula 1 has fined the organizers of the United States Grand Prix nearly $550,000 after a group spectators invaded the track at the Circuit of the Americas while cars were stil

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

The United States Grand Prix organizers face a heavy fine for serious safety violations during the event. According to the Associated Press, the governing body of Formula 1 fined the Circuit of the Americas after a group of spectators invaded the track following Sunday's race.