Fresh questions over Mo Farah’s relationship with his banned former coach Alberto Salazar have been raised in a new BBC Panorama investigation.
Documents show Farah repeatedly denied to US Anti-Doping (Usada) investigators he had received injections of the controversial supplement L-carnitine before the 2014 London Marathon.
Farah later changed his account to Usada investigators, saying he had forgotten.
The documents also reveal how a UK Athletics official was dispatched to Switzerland to collect the legal supplement from a contact of Salazar’s.
Emails obtained by Panorama show how UKA officials had initially expressed…