Jorge Lorenzo won a rain-affected Aragon Grand Prix after championship leader Marc Marquez crashed.
Lorenzo and Marquez were fighting for the lead when it began to rain in the closing stages. Lorenzo changed to dry tyres but Marquez and title rival Dani Pedrosa chose to stay out, only to fall off.
Aleix Espargaro was second with Cal Crutchlow in third. Valentino Rossi also crashed out.
San Marino MotoGP result:
1. Jorge Lorenzo (Spa) Yamaha
2. Aleix Espargaro (Spain) Yamaha
3. Cal Crutchlow (Britain) Ducati
4. Stefan Bradl (Germany) Honda
5. Bradley Smith (Britain) Yamaha
6. Pol Espargaro (Spain) Yamaha
7. Alvaro Bautista (Spain) Honda
8. Hiroshi Aoyama (Japan) Honda
9. Nicky Hayden (U.S.) Honda
10. Scott Redding (Britain) Honda