Elon has long publicly supported free speech, posting that it’s “the bedrock of democracy.” But Musk has also been accused of silencing people on the platform, notably in 2022 when X temporarily suspended journalists covering the suspension of an account tracking his jet.

This article has been revised to reflect the following correction: An earlier version of this article misstated the type of visa Elon Musk used to enter the country. He has said he used a type of student visa and later held an H-1B visa for skilled workers.

Trump's remarks followed a series of social media posts from Musk, the CEO of Tesla and SpaceX, who vowed late Friday to go to "war" to defend the visa program for foreign tech workers.