USA’s Russell and Brazil’s Dos Santos smash world records on ‘crazy’ night in Zurich

Dos Santos and Russell smash hurdles world records Werro comes within 0.42sec of 800m world record Bednarek and Wanyonyi clock world-leading times Masai Russell and Alison Dos Santos each set a world record while Mondo Duplantis won a historic pole vault on a frenetic Thursday…

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