UK Athletics under pressure to reveal extent of Alberto Salazar influence

• Usada has concerns about use of prescription medications• Salazar given four-year ban for doping violations UK Athletics is facing calls for an inquiry into how much influence the banned coach Alberto Salazar, who mentored Mo Farah for more than six years, has had on athletes in its endurance programme. The move comes after the US Anti-Doping Agency, who sanctioned Salazar on Tuesday for "orchestrating and facilitating prohibited doping conduct" while working with the Nike Oregon Project, ...