05:555 Live Formula 12013Korean GP 2nd practiceBBC Radio 5 Sports Extra Duration: 1 hour, 40 minutes Fri 4th Oct 2013, 05:55 on BBC Radio 5 Sports ExtraLive F1 coverage of the second practice session ahead of the Korean Grand Prix.GenresSportFormula OneBrand5 Live Formula 1Series5 Live Formula 1: 2013 Source: BBC Online