Mercedes driver Nico Rosberg on failing to set a Q1 time after hydraulic issues; Sauber’s Sergio Perez on feeling under the weather; Force India’s Adrian Sutil and Paul di Resta on missing out on Q3; and Red Bull’s Sebastian Vettel on withstanding McLaren’s resurgence to take his 12th pole position of the season. All 24 drivers and senior team personnel report back on Saturday’s action