Congressional investigators have been given about 3,000 Facebook ads that were bought by operatives associated with the Internet Research Agency, a Russian-government affiliated troll farm, the company has said.
Google has reportedly discovered evidence that Russian Federation used its platforms in a bid to influence the 2016 USA presidential election.
"We are taking a deeper look to investigate attempts to abuse our systems, working with researchers and other companies, and will provide assistance to ongoing inquiries", a Google spokeswoman said on Monday. Google discovered potential Russian ads by linking Russian Twitter accounts to those used to purchase ads on its own services, reportedly without Twitter's permission.
According to the sources who spoke to the paper on condition of anonymity, the ads were not purchased by the same group that bought ads on Facebook, implying that the Russian effort to influence the United States election was broader than previously thought.
Google told the Washington Post in September that it had "seen no evidence this type of ad campaign was run on our platforms". When Facebook revealed the extent of its problem, it talked about $100,000 in ad buys from almost 500 affiliated accounts "likely operated out of Russia".
But after launching a review, the company found around $100,000 (£76,000) in ad spending potentially linked to Russian sources, according to a source.
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He was taken to hospital for treatment before being taken to a police station in north London . Police had said previously that the factor for this incident was under investigation.
Interestingly, Google discovered the Russian Federation ad buys by using Twitter. Google will also meet privately with the Senate and House Intelligence Committees prior to next month's public hearing, a source at the company confirmed.
The amount of money spent on Google ads matches the sum reportedly spent by Russian operatives on Facebook in the lead-up to the election.
Twitter also found links to hundreds of Russian-backed accounts. Twitter shut down more than 200 accounts tied to the Kremlin.
The US is carrying out a wide-ranging investigation into whether Russian Federation interfered with the 2016 presidential election.
Facebook and Twitter will appear before the US Congress to testify to Russian interference during the 2016 US election while Google was yet to confirm its appearance.
The news about Google comes amid a flurry of reports about how Facebook is dealing with bearing the brunt of the blame for "fake news" affecting the election.