Politicians , police and community leaders met to discuss ways to end the violence . Police say 52 officers have been injured in weeks of violence . Protesters attack officers with petrol bombs , fireworks and bricks , police say . Protests have rocked parts of Northern Ireland since a vote on the union flag .
Politicians , clergy and community leaders meet to discuss ways to end the violence . Police say 52 officers have been wounded in weeks of violence . Protesters pelted officers with petrol bombs , fireworks and bricks , police say . Protests have rocked parts of Northern Ireland since a vote on the union flag .