Formula 1 drivers complained this week about the smell of marijuana as they prepared for the Las Vegas Grand Prix. One even joked they could fail drug tests.

Formula One drivers said the Las Vegas Grand Prix is finding its footing after its first year struggles and said they look forward to returning to Sin City for the flashy night race along the Las Vegas Strip.

A Red Bull F1 star is one of two drivers to have been hit with a late demotion at the Qatar Grand Prix sprint race after changes were made under parc ferme conditions. Parc ferme, French for 'closed park' is a strictly policed section of F1 where teams and drivers are not allowed to make changes to their cars after a certain point across a race weekend.