Red Bull's Sebastian Vettel has extended his lead at the top of the Driver's Championship as he coasted to a comfortable victory at the Singapore Grand Prix.

Fernando Alonso of Ferrari came second, with Lotus's Kimi Raikkonen finishing third.

Daniel Ricciardo and Paulo di Resta both crashed out, while Vettel's teammate Mark Webber had to pull out towards the end of the race.

Full race results:
1. Sebastian Vettel (Red Bull)
2. Fernando Alonso (Ferrari)
3. Kimi Raikkonen (Lotus)
4. Nico Rosberg (Mercedes)
5. Lewis Hamilton (Mercedes)
6. Felipe Massa (Ferrari)
7. Jenson Button (McLaren)
8. Sergio Perez (McLaren)
9. Nico Hulkenberg (Sauber)
10. Adrian Sutil (Force India)
11. Pastor Maldonado (Williams)
12. Esteban Gutierrez (Sauber)
13. Valtteri Bottas (Williams)
14. Jean-Eric Vergne (Toro Rosso)
15. Mark Webber (Red Bull) (Retired)
16. Giedo van der Garde (Caterham)
17. Max Chilton (Marussia)
18. Jules Bianchi (Marussia)
19. Charles Pic (Caterham)
20. Paul di Resta (Force India) (Retired)
21. Romain Grosjean (Lotus) (Retired)
22. Daniel Ricciardo (Toto Rosso) (Retired)