The Australian Olympic Committee said they were unable to comment as there was a process in place.
Benjamin Proud said he had surpassed his wildest dreams after landing a second win to guide England to a record-equalling gold tally as the swimming event ended in thrilling style at the Commonwealth Games on Tuesday.
Images from the 15th FINA World Swimming Championships held in Barcelona on Thursday.
James Magnussen and his teammates from the Australian men's 4x100m freestyle relay squad have admitted using a sedative banned by their national Olympic committee in a bonding session before the London Games.
Olympic champion Leisel Jones and former world champion Geoff Huegill will lead a 52-strong Australian swimming contingent, including 31 debutants, in the Delhi Commonwealth Games this October.
Champions were dethroned, new national heroes born and world records smashed
Summary of sports events and persons who made news on Tuesday
Former FIFA official Jerome Champagne formally announced on Monday that he will stand against incumbent Sepp Blatter in next year's election for president of the world soccer body.
Athletes to watch at the Gold Coast Commonwealth Games: