shouting and gunfire heard as protesters leave the building , ending siege . Police move in after more protesters escape . High - profile attack in Sydney 's central business district unprecedented . They 've roped off several blocks around Martin Place , '' said CNN 's Anna Coren , who was about a block from the scene . Streets usually bustling with city workers , tourists and shoppers .
shouting and gunfire heard as protesters leave the building , ending siege . Police move in after more protesters escape . High - profile attack in Sydney 's central business district unprecedented . Streets usually bustling with city workers , tourists and shoppers .