https://arstechnica.com/tech-policy/2020/07/donald-trump-jr-and-breitbart-get-twitter-timeouts-over-covid-video/

Twitter has suspended presidential son Donald Trump Jr. for 12 hours after the younger Trump tweeted a video featuring misinformation about COVID-19 treatment. Also in Twitter's penalty box: Breitbart News, the publication that originally published the controversial video.

Twitter also removed posts featuring the video that were retweeted by President Trump himself, though it didn't suspend the president's account.