Sakhir Circuit dominate Friday practice ahead of Sunday 's Nico Rosberg . `` I am very happy , as is everybody else in the paddock . Lewis Hamilton and Lewis Hamilton finish top under floodlights at Sakhir Circuit . Reigning champion Sebastian Vettel finishes seventh fastest . Friday 's Bahrain GP will take place Sunday for first time .
Sakhir Circuit dominate Friday practice ahead of Sunday 's Nico Rosberg . Lewis Hamilton and Lewis Hamilton finish top under floodlights at Sakhir Circuit . Reigning champion Sebastian Vettel finishes seventh fastest . Friday 's Bahrain GP will take place Sunday for first time .