Alistait Overeem visiting Moscow explained old incident he had with bouncers of a nightclub.
http://mmaboxing.ru/news-mma/2083-alistar-overim-o-drake-s-ohrannikami-v-klube.html
"Of course, this is a very old story , and the guards were initiated . There are cases when the guards are not experienced , do not know how to communicate and work with people , and this was the case when they have provoked. Once everything was heating up , I said to them " comrades , let's just for a good disperse to their homes , and all will be calm, " everything calmed down, but then I heard the cries of the club , I ran there and saw three guards fight with my brother , but of course , I went to help his brother . it all ended so that seven guards were lying on the floor when police arrived . Later there was a trial , but I was found not guilty because it was self-defense "