For the second straight evening, Belfast was hit by sectarian riots and violent clashes with police, further destabilizing Northern Ireland and threatening the already shaky 1998 peace accord. The trouble started on Tuesday, when a Protestant mob began throwing rocks and prevented Catholic school girls from leaving Holy Cross Girls' Primary School. The school is located on one of the few remaining...

The "Marching Season" denotes the mid-summer period in which the Protestant Orange Order holds a number of parades to commemorate seventeenth-century Protestant victories over Catholics. Although some of these parades have been held for over a hundred years, the demographics of Northern Ireland have changed considerably. Parade routes which once wound down country lanes or through solidly...