Rossi pounces on Lorenzo error

<strong>MOTO GP:</strong> Valentino Rossi extended his lead at the top of the championship to 50 points after winning the Czech MotoGP at Brno.<br /><br />Rossi, inset, led from pole only to be overtaken with six laps to go by Fiat Yahama team-mate Jorge Lorenzo.<br /><br />But the Spaniard then crashed out, thus handing victory to the reigning world champion with Dani Pedrosa and Toni Elias coming in second and third. Britain&rsquo;s James Toseland was ninth.