Dos Santos and Russell smash hurdles world recordsWerro comes within 0.42sec of 800m world recordBednarek and Wanyonyi clock world-leading timesMasai Russell and Alison Dos Santos each set a world record while Mondo Duplantis won a historic pole vault on a frenetic Thursday night in Zurich.The Letzi grund Stadium had a raucous sell-out 25,000 crowd and the still, balmy weather conditions helped the athletes no end. Continue reading... ...read more read less