Thousands of people gathered in the Northern Irish capital Belfast on Saturday for an anti-racism rally. An estimated 3,000 people demonstrated to denounce the violence seen earlier in the week in parts of the city. The riots on Tuesday and Wednesday came after a video of  a knife attack  went viral. The suspect in the stabbing, a 30-year-old Sudanese national, has been charged with attempted murder. Protesters gathered outside the Belfast City Hall holding placards condemning the violence that