Rioters attack police with petrol bombs , fireworks and bricks , police respond . Police retreat from the area after a policeman is shot . Police also clashed with rioters in West Belfast itself . Northern Ireland has seen a resurgence of violence in recent months .
Rioters pelt police with petrol bombs , fireworks and bricks , police say . Reporters retreat from the area after a photographer is shot . Police also clashed with rioters in east Belfast Monday . Northern Ireland has seen a resurgence of violence in recent months .