So reports Fox News (Kyle Morris); it's of course possible that there's some error in the reporting, but the screenshot (borrowed from a New York Post reprint of the Fox News account) seems to corroborate it:

Naturally, such blocking doesn't violate the First Amendment (which governs only governmental speech restrictions) or any federal law; and, to my knowledge, it wouldn't violate any state social media nondiscrimination rules, even apart from the question whether those rules are constitutional or preempted by 47 U.S.C. § 230: The Florida and Texas laws, for instance, seem to me to cover only material posted by residents of those states.