"Unsubstantiated Claims": Twitter Fact-Checks Donald Trump's Tweets

Twitter on Tuesday for the first time prompted readers to check the facts in tweets sent by U.S. President Donald Trump, warning that his claims about mail-in ballots were false and had been debunked...

source https://www.ndtv.com/world-news/twitter-fact-checks-us-president-donald-trump-tweets-for-the-first-time-unsubstantiated-claims-2235679