"Nearly 18 hours after a terror attack that killed 49 people at a mosque in New Zealand on Friday, footage from the shooting remained live on YouTube and Facebook. 'The video is still circulating online,' said David Ibsen, the executive director of...

"While platforms including Twitter Inc. and YouTube said they moved fast to scrub any content related to the incident from their sites, people reported it was still widely available hours after being first uploaded to the alleged shooter’s Facebook...

"Just hours after the attack, a search of the term “Muslims” from an incognito browser yielded a list of YouTube’s top-recommended videos, including one with 3.7 million views. The video argued, without evidence, that the majority of Muslims are...

"In the hours after the massacre played out on Facebook, the video was copied and re-uploaded hundreds of times to Facebook, YouTube, and Twitter. The tech giants say they are working hard to stop the video being shared, but it's still easily...

"Forty-nine people are dead and 20 more injured after terrorist attacks on two New Zealand mosques Friday. One of the alleged shooters is a white man who appears to have announced the attack on the anonymous-troll message board 8chan. By morning on...

"The spread of the footage from attacks that left 49 people dead provides the latest illustration of how digital platforms that enable anyone with a smartphone to instantaneously reach an audience of millions can be wielded by terrorist and hate...

"Facebook said it 'quickly' removed a live video from the suspected gunman in twin mosque shootings in Christchurch that killed at least 49 people. But the livestream lasting some 17 minutes, according to some reports, was shared repeatedly on...

"A gunman who killed 49 people at two New Zealand mosques live-streamed the attacks on Facebook for 17 minutes using an app designed for extreme sports enthusiasts, with copies still being shared on social media hours later. The live footage of...

“Facebook, YouTube and Twitter are struggling to halt the spread of horrific footage that appears to show a massacre at a mosque in New Zealand as it was taking place. One of the shooters appears to have livestreamed the attack on Facebook (FB). The...

CEP Senior Research Analyst Josh Lipowsky discusses social media's role in the New Zealand mosque shootings: "Social media plays a large role in connecting these individuals. Through the Internet and social media they are able to spread their...