A heated confrontation between former UFC bantamweight champion Merab Dvalishvili and Russian fighter Usman Nurmagomedov ahead of the Real American Freestyle (RAF) event in Abu Dhabi has reportedly led to both fighters being questioned by police.The incident took place on Wednesday at a hotel in Abu Dhabi, where Dvalishvili was recording an interview ahead of his appearance at RAF Abu Dhabi. Video footage circulating on social media showed…