Antonelli - the boy 'born in a garage' who started driving on dad's lap

Kimi Antonelli, 19, currently leads the Formula 1 drivers' championship in his debut season. His father recalls that Antonelli showed natural driving ability from the age of three, beginning his journey behind the wheel on his dad's lap. The BBC Sport feature traces how the young Italian prodigy rose from those early beginnings to the top of the F1 standings.