Tokyo 2020 Olympics - 'Amazing, he's done it!' - Matt Walls wins gold for Team GB in omnium

Tokyo 2020 Olympics - 'Amazing, he's done it!' - Matt Walls wins gold for Team GB in the omnium in the Olympic velodrome in real style after a stunning display. Watch every unmissable moment live from Tokyo 2020 across Eurosport, the Eurosport app and discovery+. Download the Eurosport app for iOS and Android now.