Highlights with Clare Balding

Clare Balding presents highlights from the Paralympics in Rio, including yesterday's late night finals in the pool and on the track, where British blade-runner Richard Whitehead was bidding to retain his 200m title. Plus, the best of today's action, including wheelchair racer David Weir aiming for his first medal at these Games in the 400m, and world and European champion Aled Davies throwing for gold in the T42 shot put.