IMANE KHELIF will not be allowed to compete at next week's Eindhoven Boxing Cup. World Boxing are now set to implement mandatory sex testing for all athletes hoping to compete in their events. THIS IS A DEVELOPING STORY.. The Sun is your go to destination for the best football, boxing and MMA news, real-life stories, jaw-dropping pictures and must-see video.Like us on Facebook at https://www.facebook.com/TheSunFootball and follow us from our main Twitter account at @TheSunFootball.