Mark Webber heads a Red Bull front row at Silverstone as McLaren struggle.
Another Red Bull one-two in Valencia.
Sebastian Vettel beats Fernando Alonso to pole position in Canada.
Vettel takes pole position and shares the front row with Button.
Webber leads another Red Bull front row in Spain.
Sebastian Vettel leads a Red Bull one-two in Istanbul.
Sebastian Vettel takes his third consecutive pole position in China.
Sebastian Vettel edged Lewis Hamilton for pole in Malaysia.
Sebastian Vettel takes pole position in Australia with Lewis Hamilton second.