Lewis Hamilton will be on pole for the Bahrain Grand Prix after qualifying ahead of Ferrari's Sebastian Vettel.

Reigning champion Hamilton, who achieved his fourth consecutive pole position, secured first after a 1:32.571 lap - over half a second faster than Mercedes teammate Nico Rosberg - who will start third.

Kimi Raikonnen came fourth to ensure that Mercedes and Ferrari occupy the front two rows.

Elsewhere, McLaren's Jenson Button broke down in Q1, meaning that he will start tomorrow's race from last place.

Fernando Alonso made it through to Q2 for the first time this season and will begin the race in 14th position.

Hamilton currently leads the driver's standings with 68 points, 13 ahead of Vettel.

Full standings:

1. Lewis Hamilton (Mercedes)
2. Sebastian Vettel (Ferrari)
3. Nico Rosberg (Mercedes)
4. Kimi Raikkonen (Ferrari)
5. Valtteri Bottas (Williams)
6. Felipe Massa (Williams)
7. Daniel Ricciardo (Red Bull)
8. Nico Hulkenberg (Force India)
9. Carlos Sainz Jnr (Toro Rosso)
10. Romain Grosjean (Lotus)
11. Sergio Perez (Force India)
12. Felipe Nasr (Sauber)
13. Marcus Ericsson (Sauber)
14. Fernando Alonso (McLaren)
15.. Max Verstappen (Toro Rosso)
16. Pastor Maldonado (Lotus)
17. Daniil Kvyat (Red Bull)
18. Will Stevens (Manor)
19. Roberto Merhi (Manor)
20. Jenson Button (McLaren)