This is an old story and the guy was a fake jihadi conductor, this nasty old Queen bitch and her babylon kind they started the modern Mason Shriner globalism, and pushed worldwide network of terroristic oil merchant and Masonic banks. The ordinary Dutch today live in a wasted country, their Boer European brothers put into Concentration Camps during the 2nd Boer War, crime and filth everywhere on Dutch streets. The unidentified man was later forcibly committed by Amsterdam’s mayor, according to another news site that also reports he had been known for similar behavior for some time and had in fact disrupted events in a similar fashion at least four times before. No one was injured, and the concert resumed after a quick sweep of the room. Queen Beatrix formally relinquished the throne in 2013, transferring her royal powers to her son Willem-Alexander.