FILE - Mohamed Mahmoud, of Egypt, competes during the men's 77kg weightlifting competition at the 2016 Summer Olympics in Rio de Janeiro, Brazil, Wednesday, Aug. 10, 2016. Weightlifters Mohamed Mahmoud of Egypt and Alexandr Spac of Moldova have returned adverse analytical findings from re-tests of samples from the 2016 Rio Olympics, according to the International Testing Agency, announced this week. (AP Photo/Mike Groll, File)