Article Photos: 29 Belfast cops hurt in Catholic-Protestant clash 4/4

Loyalist protesters attack police lines, at the Albertbridge Road, near the nationalist Short Strand area of Belfast, Northern Ireland, Saturday Jan. 12, 2013. Police used water cannons as four officers were injured during sectarian clashes between loyalists and republicans in east Belfast, Saturday. Trouble flared after a city centre demonstration against the council's decision to limit the number of days the Union flag is flown from City Hall (AP Photo/Paul Faith/PA) UNITED KINGDOM OUT