Wanyonyi hangs on against GB's Burgin in men's 800m

Olympic champion Kenyan Emmanuel Wanyonyi wins men’s 800m in Zurich’s Diamond League as Britain’s Max Burgin takes second with a personal best of 1:42.42.
BBC Sport
Olympic champion Kenyan Emmanuel Wanyonyi wins men’s 800m in Zurich’s Diamond League as Britain’s Max Burgin takes second with a personal best of 1:42.42.
BBC Sport