Dalilah Muhammad lowers 400m hurdles world record as Qatari interest finally piqued as Mutaz Essa Barshim wins gold in men’s high jump

Dalilah Muhammed electrified these championships last night with a world record in the 400 metres hurdles, shading her American rival Sydney McLaughlin by seven hundredths of a second to register an extraordinary 52.16. The pair were running a different race…