Although Jenson Button feels McLaren have closed up on Lotus, he says they won’t really know until Saturday’s qualifying.

The Brit showed some solid pace in Friday’s practices for the Korean Grand Prix, finishing fifth in the morning and ninth in the afternoon.

In the latter session he was 1.101s adrift of Lewis Hamilton’s P1 time but only two-hundreds of a second short of Lotus’ Kimi Raikkonen.

“The circuit is always very tricky, particularly at click here for more