Formula One: Hamilton blazes ahead under Singapore lights; Alonso close behind

Mercedes Formula One drivers Nico Rosberg of Germany (left) and Lewis Hamilton of Britain pose for photos in their garage ahead of the Singapore F1 Grand Prix night race in Singapore on Sept 18, 2014. -- PHOTO: REUTERS
Mercedes Formula One drivers Nico Rosberg of Germany (left) and Lewis Hamilton of Britain pose for photos in their garage ahead of the Singapore F1 Grand Prix night race in Singapore on Sept 18, 2014. -- PHOTO: REUTERS
Scuderia Ferrari driver Kimi Raikkonen of Finland drives during the first practice session of the Formula One Singapore Grand Prix night race on Sept 19, 2014. -- PHOTO: AFP
Scuderia Ferrari driver Kimi Raikkonen of Finland drives during the first practice session of the Formula One Singapore Grand Prix night race on Sept 19, 2014. -- PHOTO: AFP
Mercedes Formula One drivers Nico Rosberg of Germany (left) and Lewis Hamilton of Britain pose for photos in their garage ahead of the Singapore F1 Grand Prix night race in Singapore on Sept 18, 2014. -- PHOTO: REUTERS
Mercedes Formula One drivers Nico Rosberg of Germany (left) and Lewis Hamilton of Britain pose for photos in their garage ahead of the Singapore F1 Grand Prix night race in Singapore on Sept 18, 2014. -- PHOTO: REUTERS
Crew members push the car of Ferrari Formula One driver Fernando Alonso of Spain back into the garage during the first practice session of the Singapore F1 Grand Prix at the Marina Bay street circuit in Singapore on Sept 19, 2014. -- PHOTO: REUTERS
Crew members push the car of Ferrari Formula One driver Fernando Alonso of Spain back into the garage during the first practice session of the Singapore F1 Grand Prix at the Marina Bay street circuit in Singapore on Sept 19, 2014. -- PHOTO: REUTERS
Williams Formula One driver Felipe Massa of Brazil takes a corner during the first practice session of the Singapore F1 Grand Prix on the Marina Bay street circuit in Singapore on Sept 19, 2014. -- PHOTO: REUTERS
Williams Formula One driver Felipe Massa of Brazil takes a corner during the first practice session of the Singapore F1 Grand Prix on the Marina Bay street circuit in Singapore on Sept 19, 2014. -- PHOTO: REUTERS
Ferrari Formula One driver Fernando Alonso of Spain drinks as mechanics work on his car during the first practice session of the Singapore F1 Grand Prix at the Marina Bay street circuit in Singapore on Sept 19, 2014. -- PHOTO: REUTERS
Ferrari Formula One driver Fernando Alonso of Spain drinks as mechanics work on his car during the first practice session of the Singapore F1 Grand Prix at the Marina Bay street circuit in Singapore on Sept 19, 2014. -- PHOTO: REUTERS
2014 Formula 1 Singapore Airlines Singapore Grand Prix First Practice Session: Fernando Alonso for Scuderia Ferrari navigating a turn. -- PHOTO: THE BUSINESS TIMES
2014 Formula 1 Singapore Airlines Singapore Grand Prix First Practice Session: Fernando Alonso for Scuderia Ferrari navigating a turn. -- PHOTO: THE BUSINESS TIMES
Petronas driver, Lewis Hamilton, exits his car after the 2014 Formula 1 Singapore Airlines Singapore Grand Prix on Sept 19 2014. -- ST PHOTO: CAROLINE CHIA
Petronas driver, Lewis Hamilton, exits his car after the 2014 Formula 1 Singapore Airlines Singapore Grand Prix on Sept 19 2014. -- ST PHOTO: CAROLINE CHIA
Mercedes driver Lewis Hamilton of Britain drives during the first practice session of the Formula One Singapore Grand Prix night race on Sept 19, 2014. -- PHOTO: AFP
Mercedes driver Lewis Hamilton of Britain drives during the first practice session of the Formula One Singapore Grand Prix night race on Sept 19, 2014. -- PHOTO: AFP

SINGAPORE - Formula One title chaser Lewis Hamilton clocked a red-hot lap of 1min 47.490sec to set the pace after the opening two practice sessions of the Singapore Airlines Singapore Grand Prix on Friday.

The Mercedes star was 0.133s ahead of embattled Ferrari driver Fernando Alonso, who was surprisingly quick on the Marina Bay Street Circuit - even topping the leaderboard at the end of the first practice.

On a humid and muggy evening, four-time world champion Sebastian Vettel was left fuming when mechanical failure sidelined his Red Bull for most of the second session. Team-mate Daniel Ricciardo grabbed third place in the same practice.

Drivers' championship leader Nico Rosberg took third and 13th positions over his two drives. Much will ride on Saturday's qualifying run, as four of the six editions on the tight circuit have been won by the pole sitter.