Francis was unexpectedly thrust back into the spotlight while working a security gig outside of BOXPARK Wembley on June 12 ... when he knocked a man out with one punch after the guy had been agitating people nearby. Julius said he felt "vindicated" by social media's response to his haymaker ... and that he was pleased to see people rally behind him, even going as far to say they appreciate what he did because the guy deserved it.