The Catalan Grand Prix was red-flagged on lap 12 of 24 after a sudden mechanical issue for race leader Pedro Acosta triggered a major, multi-bike incident.
Acosta was leading the Barcelona race when he suddenly slowed down with a mechanical issue heading into Turn 10. The Spaniard raised his hand to signal the rest of the field, but second-placed Alex Marquez had no time react and clattered ...Keep reading

Source: MotoGP Catalan GP red-flagged twice after scary multi-bike melee