LAS VEGAS — As Charles Leclerc made his rounds inside the post-race media pen, the video screens behind him showed Ferrari teammate Carlos Sainz riding in a Rolls Royce en route to the podium interviews.

Charles Leclerc fumes in expletive-laden rant after mystery Ferrari issue in Las Vegas - Leclerc let rip over team radio after finishing fourth in the 50-lap night race in Sin City

Charles Leclerc launched a sweary rant over the radio as he let his race engineer Bryan Bozzi know his feelings about losing to Carlos Sainz.

The anger of Charles Leclerc and Carlos Sainz in Las Vegas will not become a problem, the Ferrari boss insists. Leclerc was left raging “being nice f**** me over” via team radio as he finished P4, one place behind teammate Sainz, at the F1 Las Vegas Grand Prix.

Charles Leclerc was left fuming at the end of the Las Vegas Grand Prix after he was edged out by team-mate Carlos Sainz ahead of his Ferrari pairing with Lewis Hamilton

A frustrated Charles Leclerc launched into an uncharacteristic rant over the radio after he finished behind Ferrari teammate Carlos Sainz at the Las Vegas Grand Prix. The 27-year-old started the race behind Sainz but after a strong start, he was eyeing up race leader George Russell, who would eventually go on to secure victory.

At the beginning off the race, Sainz was in P2 with Leclerc in P4. The Monegasque driver started the race strongly, overtaking Pierre Gasly and also his Spanish teammate to put himself into second behind only George Russell, who started the day in pole position.

Charles Leclerc repeatedly swore at his Ferrari team over the radio before issuing an immediate apology at the Las Vegas Grand Prix. We'll be bringing you the very latest updates, pictures and video on this breaking news story.

Charles Leclerc launched an astonishing expletive-laden rant against Ferrari teammate Carlos Sainz at the Las Vegas Grand Prix.