Gabby Logan has all the action from the Diamond League as the tour moves on to Lausanne.

On the track, world record-holder Wayde van Niekerk runs his first 400m of the season on European soil against a stellar field. Meanwhile, the USA's Justin Gatlin and Jamaica's Asafa Powell battle for the gold in the 100m.

Dutch star Dafne Schippers takes on American Tori Bowie in the hotly anticipated women's 200m and world champion Genzebe Dibaba tries to break her own Diamond League record over 1500m. Show less