During FP1 in Italy there was this incident between Sergio Perez and Esteban Ocon. The Red Bull driver was on a fast lap while the Alpine driver was on a slow lap which turned into this collision.
Update: We can now bring you this onboard footage.
It was an incident-packed first practice at Imola on Friday morning 😮
— Formula 1 (@F1) April 16, 2021