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Rose McGowan.
But McGowan's account was reinstated on Thursday morning, and her tweets about Affleck were not the cause of the initial suspension, according to Twitter.
Twitter's "Safety" account has since tweeted out a thread explaining the company's decision to lock the account, citing her inclusion of "a private phone number" in a tweet as a violation of its terms of service.
Twitter CEO and cofound Jack Dorsey also tweeted a link to the thread, saying, "We need to be a lot more transparent in our actions in order to build trust."
Here's Twitter's statement:
"We have been in touch with Ms. McGowan's team. We want to explain that her account was temporarily locked because one of her Tweets included a private phone number, which violates our Terms of Service. The Tweet was removed and her account has been unlocked. We will be clearer about these policies and decisions in the future. Twitter is proud to empower and support the voices on our platform, especially those that speak truth to power. We stand with the brave women and men who use Twitter to share their stories, and will work hard every day to improve our processes to protect those voices."
In an Instagram post on Thursday morning, McGowan posted a screenshot of Twitter's notice that her account would be locked until she deleted the tweets that violated its rules. Her caption read, "Twitter has suspended me. There are powerful forces at work. Be my voice."
The actress tweeted on Tuesday that Affleck had been dishonest in his Facebook post regarding Harvey Weinstein's behavior, in which Affleck stated that he was "saddened and angry" by the news.
"Goddamnit! I told him to stop doing that," McGowan tweeted that Affleck said "to [her] face" about Weinstein's conduct. "You lie," she added about Affleck.
However, McGowan's notable tweets about Affleck were not the cause of her account's temporary suspension, according to the company.