Twitter has banned more than 100 accounts that pushed the pro-Russian hashtag #IStandWithPutin for participating in “coordinated inauthentic behavior,” days after the hashtag trended on Twitter amid the invasion in Ukraine. A Twitter spokesperson said on Friday that it is still investigating the origins and links between the accounts, and that it banned the accounts for violating its “platform manipulation and spam policy." The accounts with the most retweets about the hashtag on Wednesday only had a few dozen followers and used stock photos as profile pictures, which led disinformation researchers to question how the tweets went viral. It’s an...