In a first, Twitter adds fact-check warnings to Trump tweets

On Tuesday, Twitter added a warning phrase to two Trump tweets that called mail-in ballots "fraudulent" and predicted that "mail boxes will be robbed," among other things.

source https://timesofindia.indiatimes.com/world/us/in-a-first-twitter-adds-fact-check-warnings-to-trump-tweets/articleshow/76022173.cms