A tweet from President Donald Trump Friday, one of the sort that Speaker Nancy Pelosi might categorize as “crazy,” drew sharp criticism for seeming to fan the flames of unrest ahead of a gun-rights rally in Richmond, Virginia.

Trump’s social-media eruption warns Virginians that their 2nd Amendment rights are “under attack,” and offers a sarcastic “thank you” to Virginia Democrats who will “take your guns away.”

While the rhetoric is fairly typical for Trump (albeit a smidge more blatantly South Park than usual), the unease stems from fears that a Richmond rally planned for this Monday, Martin Luther King Day, could turn violent.

The Virginia capitol, which is a little over a one-hour drive from Charlottesville, is already reportedly “on edge” because of the pointedly timed event. The F.B.I. has arrested six suspected neo-Nazis and has noted increased chatter on extremist sites. The rally is being referred to as a “boogaloo,” which is white-supremacist jargon for something that will “accelerate the race war.”

Governor Ralph Northam has temporarily banned weapons from the grounds of the State Capitol and declared a state of emergency.

Sherrilyn Ifill of the NAACP Legal Defense Fund called Trump’s comment “irresponsible and utterly, truly unconscionable.”

The three bills that passed the Virginia state Senate, which Trump claims “will take your guns away,” prohibit firearm possession in public spaces, limit monthly handgun purchases and require background checks for firearm transfers.

After the deadly events in nearby Charlottesville during the “unite the right” rally in 2017, the president was sharply criticized for blaming violence on “both sides.”