When people say Donald Trump is doing his level best to foment violence and unrest, this is what they're talking about.

The costume-heavy revelry of Halloween Twitter was disrupted on Saturday when an alarming clip surfaced showing what appears to be a caravan of Trump supporters chasing the Biden campaign bus on a highway in Texas. It's a frightening scene.

In a series of incidents that apparently unfolded on Friday throughout the day, Trump supporters made a dangerous public nuisance of themselves as the Biden campaign progressed through central Texas. At least one event was canceled as a result.

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But it was the below video, shared by Dr. Eric Cervini on Saturday, that made the rounds on social media. The footage shows a "Trump Train" of flag-bearing vehicles surrounding the Biden bus while it's in motion on the highway. At one point, one of the Trump trucks appears to sideswipe an SUV traveling closely behind the bus, shoving it into an adjacent lane.

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The details surrounding this specific incident, such as who was driving the SUV, are a little vague. But there's no mistaking the sight of a Trump flag-bearing pickup truck muscling a white SUV out from behind the Biden bus, with the pickup appearing to strike the SUV intentionally.

So that was a fun way to end the week. Biden was notably never in any danger here. While the campaign was staging events in Texas, Biden himself was busy campaign in the northern midwest on Friday.