‘Twitter has not stifled the president’s free speech’: Trump fact-checked after latest conspiracy theory
President Donald Trump at a campaign rally in Phoenix, photo by Gage Skidmore.

President Donald Trump reacted angrily on Tuesday after Twitter appended a fact-check to his conspiracy theories about voting by mail.

"Twitter is now interfering in the 2020 Presidential Election," Trump tweeted. "They are saying my statement on Mail-In Ballots, which will lead to massive corruption and fraud, is incorrect, based on fact-checking by Fake News CNN and the Amazon Washington Post."

"Twitter is completely stifling FREE SPEECH, and I, as President, will not allow it to happen!" he declared.

The leader of the free world was quickly fact-checked on his claims. Here's some of what people were saying: