San Francisco: Facebook on Friday said it is tightening live video streaming rules in response to the service being used to broadcast deadly attacks on mosques in New Zealand.

The Christchurch attacks -- carried out by a self-avowed white supremacist who opened fire on worshippers at two mosques -- claimed 50 lives.

Many people have "rightly questioned how online platforms such as Facebook were used to circulate horrific videos of the attack," chief operating officer Sheryl Sandberg said in an online post.

"In the wake of the terrorist attack, we are taking three steps: strengthening the rules for using Facebook Live, taking further steps to address hate on our platforms, and supporting the New Zealand community," she added.

Facebook is looking into barring people who have previously violated the social network's community standards from livestreaming on its platform, according to Sandberg.

The social network is also investing in improving software to quickly identify edited versions of violent video or images to prevent them from be shared or re-posted.

"While the original New Zealand attack video was shared Live, we know that this video spread mainly through people re-sharing it and re-editing it to make it harder for our systems to block it," Sandberg said.

"People with bad intentions will always try to get around our security measures." Facebook identified more than 900 different videos showing portions of the streamed violence.

The social network is using artificial intelligence tools to identify and remove hate groups in Australia and New Zealand, according to Sandberg.

Those groups will be banned from Facebook services, she said.

Facebook this week announce it would ban praise or support for white nationalism and white separatism as part of a stepped-up crackdown on hate speech.

The ban will be enforced starting next week on the leading online social network and its image-centric messaging service Instagram.

"It's clear that these concepts are deeply linked to organized hate groups and have no place on our services," the social network said in a statement.

Facebook policies already banned posts endorsing white supremacy as part of its prohibition against spewing hate at people based on characteristics such as race, ethnicity or religion.

The ban had not applied to some postings because it was reasoned they were expressions of broader concepts of nationalism or political independence, according to the social network.

Facebook said that conversations with academics and "members of civil society" in recent months led it to view white nationalism and separatism as linked to organized hate groups.

People who enter search terms associated with white supremacy will get results referring them to resources such as Life After Hate, which focus on helping people turn their backs on such groups, according to Facebook.

Amid pressure from governments around the world, Facebook has ramped up machine learning and artificial intelligence tools for finding and removing hateful content.

"We are deeply committed to strengthening our policies, improving our technology and working with experts to keep Facebook safe," Sandberg said.

"We must all stand united against hate and work together to fight it wherever and whenever it occurs."

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Hyderabad, Dec 22: Top Telugu actor Allu Arjun did not leave the theatre during the screening of 'Pushpa-2' on December 4 despite being told to do so in view of a stampede in which a woman died, police officials claimed on on Sunday.

Speaking at a press conference on the annual round-up of 2024, city police commissioner C V Anand showed a video, made by police, on the situation that prevailed when the stampede occurred.

The video was made by collating footage, including from news channels and cell phone clips. It suggests the actor remained in the theatre till the midnight.

Anand did not make any comment on the video, but said the media can draw its own conclusions.

A police official talked about the sequence of events on the fateful night of December 4.

He said that he and other police officials informed a manager of Allu Arjun about the death of the woman and told him that the situation was out of control. He indicated that they were not allowed to meet the actor.

Allu Arjun's staff members told them that they would convey the matter to the actor but did not do so, he said.

The official said he later managed to reach the actor, told him about the woman's death and asked him to leave the theatre so that the fans don't harm each other while trying to catch a glimpse of him.

The official also told the actor that security arrangements would be made for his exit.

However, the actor said he would go only after watching the film, the police official said.

Later, accompanied by a senior officer, the official went inside and brought the actor out, he said.

Amid allegations that bouncers hired by Allu Arjun pushed crowds as well as policemen when the stampede occurred at the cinema hall, the police commissioner warned that stringent action as per law would be taken if THE bouncers indeed misbehaved with the police on duty.

The VIPs would be made responsible for the behaviour of the bouncers hired by them, he said.

Asked if the police would appeal against the interim bail granted to Allu Arjun, the commissioner refused to give a direct response, just saying it is part of the investigation.

What course of action is taken would be known in the days to come, he said.

He also declined to comment when asked if the family of the deceased told him about Allu Arjun's team or film production team allegedly threatening them not to speak on the issue.

Meanwhile, state Cinematography Minister Komatireddy Venkat Reddy found fault with Allu Arjun responding on Saturday to the debate in the Legislative Assembly.

The minister, who observed that the actor should have respect for the government and the chief minister, demanded an apology from Allu Arjun to the government and the CM.

"This government is never vindictive. As Cinematography Minister, we allowed benefit shows and hiking ticket prices to promote the film industry," he said.

However, Union Minister of State for Home Bandi Sanjay Kumar found fault with CM Revanth Reddy for his comments on Allu Arjun in the Assembly on Saturday.

The comments of the CM sounded like character assassination of Allu Arjun and hurting the Telugu film industry, he alleged in a statement.

Later in the day, Sanjay Kumar visited a boy who is undergoing treatment in a hospital after being injured in the stampede.

"Consoled his father over the heartbreaking loss of his wife, Revathi. I pray to god that Sritej recovers at the earliest. Assured support to the family in this difficult time," Kumar said on X.

Earlier in the day, state DGP Jitender told reporters in Karimnagar district that film personalities and all others should understand that safety and security of citizens is utmost important, and also conduct themselves accordingly.