YouTube clarifies rules on pranks as risky memes rage

YouTube on Tuesday clarified rules against posting videos of dangerous pranks, as risky "challenges" prompt people to video themselves doing things like biting into laundry soap or driving blindfolded.

The company already forbid content inciting dangerous activities likely to result in serious harm.

But the clarifications "make it clear that challenges like the Tide pod challenge or the Fire challenge, that can cause death and/or have caused death in some instances, have no place on YouTube," the company said in a blog post.

"We've made it clear that our policies prohibiting harmful and dangerous content also extend to pranks with a perceived danger of serious physical injury," said YouTube, which like other social networks is trying to show that it is better tackling problematic content.

It made clear the updated policies ban pranks that trick people into thinking they are in danger, such as fake home invasions or drive-by shootings.

"YouTube is home to many beloved viral challenges .