The police grumbled, stuck on what to do. Their shoulder radios were telling them there was some sort of chaos at the national arena, but they were not allowed to enter. Dozens of bodyguards in suits stood at the entrances, holding their arms out. &ldquo;No entry during the concert from anyone who hasn&rsquo;t been given a permit,&rdquo; one of the bodyguards said.<br />
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            One of the police officers grit his teeth. &ldquo;We can hear th