​  ‘So close on the line!’ – Teenager Lutkenhaus stuns Olympic champion in 800mThis content is not available in your location.There was an errorWatch 17-year-old American Cooper Lutkenhaus stun Olympic champion Emmanuel Wanyonyi in the men’s 800m at the Diamond League meeting in Norway.READ MORE: Lutkenhaus upsets Olympic champion Wanyonyi in OsloAvailable to UK users only.Athletics21 hours agoShare pageAbout sharing  BBC Sport