Sweden’s Abeba Aregawi has tested positive for a banned substance. Photograph: Reuters

The former world 1500m champion Abeba Aregawi has tested positive for a banned substance. The news was confirmed by the sport’s governing body, the IA(...)

 Great Britain’s Mo Farah (right) celebrating winning the Men’s 10,000m final with Silver Medalist USA’s Galen Rupp (left) and coach Alberto Salazar, who has rubbished speculation of a relationship breakdown between himself and the double Olympic champion. Photo: Martin Rickett/PA

Mo Farah’s coach has rubbished speculation of a relationship breakdown between himself and the double Olympic champion. Alberto Salazar, along with Fa(...)