Britain's hurdles champion Callum Priestley tests positive
Britain’s Callum Priestley has been provisionally suspended from all competition and UK Athletics’ World Class Performance Programme following an anti-doping violation. Sprint hurdler Priestley, 21, has been suspended under IAAF rules after analysis of his B sample indicated the presence of the asthma drug clenbuterol. The suspension follows an out-of-competition test in South Africa in…