Police prevent potential massacre at Boston Pokemon World Championship Prison Planet.com Posted on August 24, 2015 Posted in Aggregated No Comments Tagged with U.S. News RT | Police in Boston have said they thwarted a potential massacre at the Pokemon World Championship. Share this:Share Share on Facebook (Opens in new window) Facebook Share on Reddit (Opens in new window) Reddit Share on X (Opens in new window) X Share on LinkedIn (Opens in new window) LinkedIn Email a link to a friend (Opens in new window) Email