Police responded to an active shooter situation at YouTube's headquarters in San Bruno, California, on Tuesday. Within minutes of the initial reports, before any official information emerged, hoaxes and fake news started being shared on social media.
At least three people were injured and police later identified the suspect as Nasim Najafi Aghdam, 39, who died from what appeared to be a self-inflicted gunshot wound.
So far, very little is known about Aghdam. On her personal website and social media accounts, she frequently posted about animals rights and veganism, and alleged that Google and YouTube were discriminating against her.
Authorities did not speculate about a possible motive, but that didn't stop the internet from unleashing a flurry of fake news.
Here's a look at what hit online: