LOS ANGELES, United States (AFP) — United States (US) Anti-Doping Agency Chief Executive Officer Travis T Tygart criticised World Anti-Doping Agency (WADA) officials on Tuesday over plans to change testing at major events, giving sport federations a greater role.

WADA unveiled ideas for change as part of 19 recommendations in a report by its Working Group on National Anti-Doping Organizations Operational Independence (WGOI).

“It has been reported that some stakeholders, including athletes, perceive that there’s a potential conflict of interest where a NADO (national anti-doping organisation) is solely responsible for doping control for its country’s international-level athletes,” the report said.