Stuttgart - Olympic 1,500 metres gold medallist Rashid Ramzi of Bahrain and Italian cycling road race silver medallist Davide Rebellin are among the athletes who tested positive for the latest generation of the blood booster CERA at a retest of samples from the Beijing Games, it was confirmed Wednesday. Ahmad Ben Hamad Al El Khalifa, deputy general secretary of the Bahrain Olympic Committee, told German Press Agency on Wednesday that the committee has been informed about Ramzi's positive test.

At the same time the Italian Olympic Committee CONI named Rebellin as a doping suspect.

Sakhir, Bahrain - Jenson Button extended his lead at the top of the Formula One drivers ' standings Sunday when the Brawn GP driver claimed victory in the Bahrain Grand Prix in Sakhir. The Briton secured his third win out of four this season ahead of Sebastian Vettel of Red Bull with Toyota's Jarno Trulli , who started from pole position, having to settle for third.

Defending world champion Lewis Hamilton in a McLaren-Mercedes came home fourth, followed by Rubens Barrichello in the second Brawn GP car.

Sakhir, Bahrain - Jenson Button extended his lead at the top of the Formula One drivers' standings Sunday when the Brawn GP driver claimed victory in the Bahrain Grand Prix in Sakhir. The Briton secured his third win out of four this season in a time of 1 hour 31 minutes 48.182 seconds ahead of Sebastian Vettel of Red Bull with Toyota's Jarno Trulli, who started from pole position, having to settle for third.

Defending world champion Lewis Hamilton in a McLaren-Mercedes came home fourth, followed by Rubens Barrichello in the second Brawn GP car.

Sakhir, Bahrain - Jarno Trulli clinched pole position ahead of team-mate Timo Glock in a first Toyota one-two in qualifying Saturday for Sunday's Formula One Bahrain Grand Prix. Red Bull's Sebastian Vettel, the winner in Shanghai last week, was third, ahead of Brawn GP's Jenson Button, the overall leader.

World champion Lewis Hamilton provided a boost for McLaren-Mercedes with fifth place to start in the third row alongside Brawn GP's Rubens Barrichello.

There was also improvement for Ferrari, still without a point this season, who had Felipe Massa and Kimi Raikkonen eighth and 10th respectively.

Sakhir, Bahrain - Mercedes could consider its future in Formula One racing if motorsport's governing body FIA imposes "unreasonable" sanctions against the McLaren-Mercedes team over charges of deceiving race stewards, the boss of Daimler has said. In an interview to appear in the German news magazine Focus on Monday, Dieter Zetsche, the chairman of Daimler AG, said the company's future in the sport could come under review.

Sakhir, Bahrain - Jarno Trulli clinched pole position ahead of team-mate Timo Glock in a Toyota one-two in qualifying Saturday for Sunday's Formula One Bahrain Grand Prix. Red Bull's Sebastian Vettel, the winner in Shanghai last week, was third, ahead of Brawn GP's Jenson Button, the overall leader.

World champions Lewis Hamilton in a McLaren-Mercedes was fifth fastest, ahead of Brawn GP's Rubens Barrichello.

Renault's Fernando Alonso, Ferrari's Felipe Massa, Williams' Nico Rosberg and Ferrari's Kimi Raikkonen filled the rest of the top 10.