and jumbuck jorum unfolded a story of secret policemen ( british secret policemen with sarf london accents ) crashing through the wall from the national car park and jessel house , of silenced guns popping and crimson blood splurting , of three men running for their lives down a corridor and through a concealed door into camden town hall , hounded and harried by smoking guns and flying bullets and splintering glass and chippering bricks .