Sebastian Vettel claimed his third successive victory by dominating the Korean Grand Prix.
The German took the lead from team mate Mark Webber at the start of the race and was always in control.
Webber finished eight seconds behind Vettel to wrap up the first Red Bull 1-2 of the year.
Fernando Alonso finished in third, ahead of Felipe Massa. The result sees Ferrari leapfrog McLaren in the Constructors Championship.
Lewis Hamilton struggled all afternoon and came home tenth, battling the final few laps with astroturf stuck in his sidepod. Jenson Button retired on the opening lap after being hit by Kamui Kobayashi.
Kimi Raikkonen had a measured run to fifth ahead of Nico Hulkenberg and Romain Grosjean. Toro Rosso got both cars into the points, with Vergne eighth and Ricciardo ninth.
