San Francisco: Facebook on Wednesday said it has nixed 5.4 billion fake accounts already this year, in a sign of a persistent battle on social media against manipulation and disinformation.

"We have improved our ability to detect and block attempts to create fake, abusive accounts," the internet firm said in its latest transparency report.

"We can estimate that every day, we prevent millions of attempts to create fake accounts using these detection systems." Facebook believes that fake accounts -- where someone pretends to be a person or entity which does not exist -- represented about five percent of its worldwide month active users during the second and third quarters of this year.

The social network has invested heavily in finding and taking down accounts crafted to deceive people about where information is originating, particular when spread as part of coordinated campaigns with political or social agendas.

The detailed report also showed that government demands for user information hit a new high led by the US. Overall request by governments for Facebook user data rose 16 percent to 128,617 in the first half of this year.

"Of the total volume, the US continues to submit the largest number of requests, followed by India, the UK, Germany and France," the report stated.

Facebook received 50,741 requests from the US for information regarding 82,461 accounts, with roughly two-thirds of those done in a way prohibiting the social network from letting users know about inquiries, the report showed.

"We always scrutinize every government request we receive for account data to make sure it is legally valid," Facebook deputy general counsel Chris Sonderby said in an online post about the latest figures.

"This is true no matter which government makes the request." In a detailed transparency report that, for the first time, included photo and video-oriented social network Instagram, Facebook also highlighted progress tackling terror, hate, suicide, child porn, and drug related posts.

"While we are pleased with this progress, these technologies are not perfect and we know that mistakes can still happen," Facebook said.

"That's why we continue to invest in systems that enable us to improve our accuracy in removing content that violates our policies while safeguarding content that discusses or condemns hate speech."

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Hassan (Karnataka) (PTI): Karnataka Chief Minister Siddaramaiah on Saturday said that the Congress government led by him was ready to face the no-confidence motion if moved by the opposition during the legislature session from December 8.

With Deputy CM D K Shivakumar by his side, he reiterated that they would both abide by the high command's decision on the leadership issue.

"Let them (opposition) bring in a no-confidence motion or adjournment motion or any other motion. We are ready to face it. Ours is an open book, transparent government. We are ready to face anything," Siddaramaiah said in response to a question.

However, BJP state President B Y Vijayendra and Leader of Opposition in the Legislative Assembly R Ashoka, clarified that the party, along with the JD(S) has not discussed or decided anything so far regarding moving a no-confidence motion against the government.

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The winter session of the Karnataka legislature will begin in Belagavi, bordering Maharashtra, on December 8 and will go on till 19th of this month.

Not wanting to react to a question on the leadership issue, the CM said the Congress high command is very strong.

"D K Shivakumar and I will be committed to whatever the high command decides," he said.

Earlier in the day in Bengaluru, Shivakumar accompanied AICC Mallikarjun Kharge till airport from Vidhana Soudha, after paying tributes to B R Ambedkar on his 69th death anniversary, which had led to some speculation about possible discussion between the two on the leadership issue.

The power tussle within the ruling party had intensified amid speculation about a change in chief minister in the state, after the Congress government reached the halfway mark of its five-year term on November 20.

However, both the CM and Deputy CM had recently held breakfast meetings at each others residences, on the instructions of the high command, which is seen as a move to pause the leadership tussle between the two and to signal Siddaramaiah's continuation as the CM for the time being, especially ahead of the Belagavi legislature session.