NBA player Russell Westbrook talks to fans during an incident in Denver. (Getty Images) Recent interactions illustrate the need to monitor crowds for potential misbehavior Tennis pro Monica Seles was stabbed by a crazed fan of rival player Steffi Graf during a quarterfinal match in Hamburg on April 30, 1993, an incident that prompted a significant increase in security at major events like Wimbledon. More recently Jay-Z and Beyoncé were accosted by a fan who jumped on the stage in August at Mercedes-Benz Stadium in Atlanta during their On the Run II tour, only to be subdued by the duo’s dancers. Just last month, retired pro wrestler Bret “The Hitman” Hart was knocked to the ground by a fan as he delivered a speech while being inducted into the WWE Hall of Fame at Barclays Center in Brooklyn. NBA star Russell Westbrook was involved in a confrontation with fans in Salt Lake City… Continue Reading Security Draws the Line Between Performers, Fans