Fina urges whistleblowers to come forward after reports Russian anti-doping officials "offered to stop testing swimmers" for money.
Olympic silver medallist Keri-anne Payne is confirmed in the Great Britain squad for the 10km open water event at the Rio Games.
Jazz Carlin and Adam Peaty win gold at the Mare Nostrum in Barcelona as British swimmers claim 14 medals.
Jon Rudd, the coach of swimmer Ruta Meilutyte, says sport governing bodies should lose the power to impose bans on drugs cheats.
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GB's Kathleen Dawson, Chloe Tutton, Siobhan-Marie O'Connor and Fran Halsall win the women's 4x100m medley relay at the European Swimming Championships.