The election of Donald Trump in the US and the rise of Marine Le Pen in the French presidential elections has naturally been received with alarm by millions of people around the world. Some have even warned of a new rise of fascism. As Marxists, we feel it is important not to replace serious analysis with scaremongering and exaggeration. In this article, Rob Sewell - editor of Socialist Appeal - asks: what is fascism? And does it pose an imminent threat today?