The journalist who first raised questions about Lance Armstrong in 1999 has said that the disgraced cyclist's interview with Oprah Winfrey did not go far enough.

David Walsh, who is the Sunday Times' chief sports writer, said Armstrong needed to name those who had helped him

Cyclist Nicole Cooke, who won a gold medal in the women's road race at the Beijing Olympics, repeated the call for Armstrong to name names - and said that she thought that there was still more to come out.

They spoke to BBC Breakfast.