Key points:
The term alt-left was popularised by Donald Trump after the 2017 rally in Charlottesville
Militant far-left groups have gained traction in the US since Mr Trump was elected
Experts say far-right movements are more likely to use violence to achieve their aimsMr Stuart added that while the far left and the far right are both political extremes, their similarities don’t extend beyond that.
He said the beliefs of the far left tended to be tied to class and social mobility, which usually doesn’t require violence to achieve their goals.
“Whereas on the right, it’s about race, it’s about sexual orientation,” he said.
“For the right, it’s about essential characteristics that cannot be changed, and when you’re faced with the situation, the only obvious answer is violence or deportation.”