Mo Farah says he is "angry" about his name being "dragged through the mud" following the doping allegations against his coach Alberto Salazar.
Farah, who won 5,000m and 10,000m gold at the London Olympics in 2012, tells journalists ahead of the Diamond League Birmingham Grand Prix meeting that he will "be the first to leave" Salazar if the claims are proven to be true
An investigation by BBC's Panorama programme Catch me if you can alleged that Salazar violated anti-doping rules and doped United States 10,000m record holder Galen Rupp in 2002 when the athlete was 16 years old.
UK Athletics says it has "no concerns" over Farah and Salazar continuing to work together. There is no suggestion Farah has broken any rules and both Salazar and Rupp vehemently deny the claims.