Formula One chief executive Stefano Domenicali was confident that a 23-race calendar could be maintained for this season
The 34-year-old French driver slid off the track on the first lap and his Haas car burst into flames after being sliced in two by a barrier.
Hamilton stormed around the 5.4-km Sakhir desert track in one minute, 28.971 seconds.
The Mercedes driver, who took the chequered flag a huge 25.592 seconds ahead of second-placed team mate Valtteri Bottas,
Vettel beat Mercedes driver Valtteri Bottas by just .041 in the second session under floodlights, having been comfortably ahead of Red Bull's Daniel Ricciardo during the first practice in the early afternoon
The 31-year-old paid tribute to longtime friend and Mercedes teammate Lewis Hamilton
Enjoying every bit of her visit to the mosque, she took to Instagram to express her love for the 'stunning' workmanship.
"From the moment when the destiny of the title was in my own hands, the big pressure started and I began to think about ending my racing career if I became world champion," the German said in a statement on Facebook.