Most of the fans at the arena seemed to notice the fight was over before the referee.
Referee Laurence Cole was concentrating on a corner, where champion Masayuki Ito was raining punches after punches against Evgeny Chuprakov.
A few seconds later, the ref noticed a towel thrown from Chuprakov's corner and finally stopped the fight.
With your current subscription plan you can comment on stories. However, before writing your first comment, please create a display name in the Profile section of your subscriber account page.