Violent unrest after a stabbing in Northern Ireland showed the extent to which the far right has taken hold in the U.K., as well as in Europe and the U.S.

U.K. leaders have called for calm after the arrest of a Sudanese man accused of a stabbing in Belfast sparked anti-immigration protests

UK leaders on Tuesday urged for calm after far-right groups and figures called for anti-migrant rallies to be held across the UK to protest a stabbing in Belfast in Northern…

Riots erupted in Belfast after a man was charged with attempted murder following a knife attack. Protesters set vehicles ablaze, including a bus. Police deployed armoured vehicles…