India, June 10 -- Protests against immigration flared in Northern Ireland, with demonstrators in Belfast setting buildings and cars on fire and targeting properties believed to be linked to migrants, including setting some houses ablaze in response to a brutal stabbing attack that was widely circulated in a graphic video.

The unrest came amid visuals showing anti-immigration groups marching in the streets after far-right activists called for demonstrations.

As the violence escalated, masked youths gathered at several points across the city, setting a Glider bus on fire on Newtownards Road in East Belfast, while also torching cars near Shankill Road and in Newtownabbey. Visuals further showed protesters setting fire to homes of immigrant...