11:55Formula 12011Singapore Grand PrixBBC Sport Duration: 1 hour, 10 minutes Sat 24th Sep 2011, 11:55 on Red Button (Freeview)Live coverage of the third practice session from Singapore.ContributorsPresenter:Jake HumphreyCommentator:Jonathan LegardCommentator:Martin BrundleProducer:Richard CarrGenresSportMotorsportSportFormula OneFormatsPerformances & EventsBrandFormula 1SeriesFormula 1: 2011 Source: BBC Online