Sports

Sebastian Vettel sputters to stop in 1st practice in Spain, Lewis Hamilton records top time

  • Red Bull driver Sebastian Vettel of Germany looks around as his car is taken away after he lost control  during a first free practice session at the Barcelona Catalunya racetrack in Montmelo, near Barcelona, Spain, Friday, May 9, 2014. The Formula One race will be held on Sunday. (AP Photo/Manu Fernandez)

    Red Bull driver Sebastian Vettel of Germany looks around as his car is taken away after he lost control during a first free practice session at the Barcelona Catalunya racetrack in Montmelo, near Barcelona, Spain, Friday, May 9, 2014. The Formula One race will be held on Sunday. (AP Photo/Manu Fernandez)  (The Associated Press)

  • Red Bull driver Sebastian Vettel of Germany helps to put his car on a truck after he lost control  during a first free practice session at the Barcelona Catalunya racetrack in Montmelo, near Barcelona, Spain, Friday, May 9, 2014. The Formula One race will be held on Sunday. (AP Photo/Manu Fernandez)

    Red Bull driver Sebastian Vettel of Germany helps to put his car on a truck after he lost control during a first free practice session at the Barcelona Catalunya racetrack in Montmelo, near Barcelona, Spain, Friday, May 9, 2014. The Formula One race will be held on Sunday. (AP Photo/Manu Fernandez)  (The Associated Press)

Sebastian Vettel hit another obstacle in his already troubled Formula One title defense when his Red Bull sputtered to a stop early in the Spanish Grand Prix's first practice session on Friday.

Lewis Hamilton steered his Mercedes to the fastest lap time of 1 minute, 27.023 seconds, while teammate and F1 leader Nico Rosberg was limited to only nine laps due to a cooling issue.

Vettel was running through his fifth lap on the 4.6-kilometer (2.9-mile) Circuito de Barcelona-Catalunya when an electrical problem caused his Red Bull to stop.

Vettel helped push his RB10 out of the path of his rivals before a group of fans gathered at the fence to take photographs of the four-time world champion using a fire extinguisher on the back of his malfunctioning car.