From the article:

…Saturday’s demonstrations and marches, which took place in several US cities and largely passed without incident, had been billed by far-right websites as plans to carry out mass bloodshed and execute a coup against right-wing President Donald Trump.

RefuseFascism.Org, a left-wing protest group, called for the rallies to “drive out” the Trump administration, sparking a storm of far-right conspiracy theories about anti-fascists’ alleged plans to start a civil war in the country.