"Tragically, an accident took place causing an unintended nipple slip ." "The occurrence happened by mistake." "The revealing of the nipple was unforeseen." "It was an incidental clothing mishap." "The mishap startled all onlookers." "Steps have been taken to prevent future occurrences." "We deeply regret any trouble this may have caused." "We assure you, this matter is being treated with utmost seriousness."