Twitter warns of a bug about a form of support for "unusual activity" in China and Saudi Arabia.
The mistake – found on November 15 and consolidated – indicated the country code of the user's phone numbers or their account could be blocked.
IP address in both countries has sent numerous inquiries through the form, Twitter said.
These could be "sponsoring American actors," Twitter said.
"It has been emphasized that" certain intentions or attributions can not be confirmed " Twitter's statement said the authorities were told about their discovery in "full transparency".
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Directly informed are affected, Twitter said. No full phone number or personal data is revealed.
The price of the company price fell almost 7% on Monday.
The report released by the U.S. Senate on the same day gives a guilty news on how to use Russia in 2016 elections.
While paying special attention to immigration, racial and armed rights messages, the country's African left-wing citizens tried to undermine the power of votes, extending the misinformation of the electoral process.
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