Australian star Samantha Riley claims gold, in a world record time, in the 100m breastroke at the 1994 World Swimming Championships in Rome | Riley's time of 1:07.69 takes 0.22 of a second off Silke Hörner world mark, set 7 years earlier | Chinese swimmers Guohong Dai and Yuan Yuan take silver and bronze | This footage has been taken from a Channel 7 Australia broadcast | If this is a breach of copyright please advise and it will be removed