Lord Coe has defended his record at the IAAF but says there have been failures in detecting blood doping during his time at athletics’ governing body.
Coe was vice-president in 2007 before becoming president in August.
The Sunday Times claimed widespread doping occurred between 2001 and 2012.
Coe told a select committee on Wednesday that as vice-president he had not been oblivious to doping claims.
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