President Trump joined conservative voices in criticizing American social media companies like Facebook and Twitter on Tuesday, accusing the platforms of censoring Republicans and stating the US must "get to the bottom" of it.

"I tell you, I have many, many millions of followers on Twitter and it's different than it used to be: Things are happening, names are taken off, people aren't getting through," Trump said. "You've heard the same complaints. And it seems to be if they're conservative, if they're Republicans, if they're in a certain group, there's discrimination and big discrimination."

"I see it absolutely on Twitter and Facebook," he added, though offered no examples. Trump suggested that "collusion" is happening behind the scenes, be he did not elaborate on who the tech executives might be colluding with.

Here's how he described it: