NEW : More than 20 officers hurt , two people arrested after an Orange Order parade in Belfast . NEW : ` ` I am angry we have this annual madness , '' says police chief in Belfast . ' The trouble is that the public are not aware of what goes on behind closed doors and they don't know who to turn to.' Police said no-one had been wounded . British loyalists and police clash in a Protestant district beside Catholic Ardoyne .
NEW : More than 20 officers hurt , two people arrested after an Orange Order parade in Belfast . NEW : ` ` I am angry we have this annual madness , '' says police chief in Belfast . 'The trouble is that the public are not aware of what goes on behind closed doors and they don't know who to turn to.' British loyalists and police clash in a Protestant district beside Catholic Ardoyne .