Mercedes' Lewis Hamilton and Ferrari's Sebastian Vettel take part in a revealing interview with BBC Sport's Lee McKenzie. <br /> <br />The pair, who qualified 1st and 2nd for the Bahrain Grand Prix, reminisce about their first meeting whilst driving in Formula 3. <br /> <br />Answering a question about his rivalry with fellow Mercedes driver Nico Rosberg, current world champion Hamilton says that "there is no friendship between two team-mates."
