The impact of mass migration is now at the red-hot centre of social division across Western countries. Australia is no exception.

The stabbing has fuelled unrest and warnings against using one crime to target broader communities.

A Belfast knife attack has become a right-wing social media clarion call to protest against immigration.

The UK now presents as a tribalised tinderbox. The challenges emerging here may not be as serious, but they are also no cause for complacency.

The impact of mass migration is now at the red-hot centre of social division across Western countries. Australia is no exception.

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.