MotoGP world champion and title leader Pecco Bagnaia required on-track medical attention after being run over by fellow competitor Brad Binder.
The Catalaunya Grand Prix came to an abrupt halt with five riders crashing on the first lap, producing a red flag.
Four competitors were left in the gravel turn one, but quickly jumped up seemingly injured, however, that wasn’t the case for Ducati’s Bagnaia.
Just two corners later the 26-year-old Italian experienced a horrific highside, with his bike throwing him into the air while leading the pack.
KTM’s Binder was unable to avoid the stricken champion, terrifyingly running over his legs while spread across the track.
There was understandably huge concern in the stands and in the Ducati garage.
Bagnaia needed medical treatment on the track with the race red flagged.
Thankfully though, once moved into an ambulance, a steward gave the thumbs up, leading to huge applause from the Spanish crowd.
MotoGP then reported that Bagnaia was conscious and taken to the medical centre for a check-up, where he was joined by teammate Enea Bastianini from the turn one incident.
Also involved in the first lap trouble, Alex Marquez, Johann Zarco, Fabio Di Giannantonio, Marco Bezzecchi were able to return to their garages during the red flag stoppage.
They were then able to re-enter the race for its restart minutes later.