A gender row over which athletes can compete in Olympic sports is a "minefield," but one thing is certain, rules cannot be changed mid-way through an event, the International Olympic Committee (IOC) said on Friday (August 2), after controversy over boxing.<br /><br />Italian boxer Angela Carini pulled out of the Olympics mid-fight on Thursday (August 1) after she sustained a series of crunching blows from her Algerian opponent Imane Khelif, who last year failed a gender eligibility test at the World Championships.<br /><br />WATCH MORE: https://thestartv.com/c/news<br />SUBSCRIBE: https://cutt.ly/TheStar<br />LIKE: https://fb.com/TheStarOnline