Roblox has been slammed as a "hunting ground for child-sex predators" in a new lawsuit against the online gaming giant that alleges it caused the sexual exploitation of a 9-year-old boy.

E.l.f. Beauty is selling real-life beauty products on the online gaming platform Roblox, the retailer said Monday, sending its shares higher.

The internet’s biggest recreation zone for kids is struggling to keep predators off its platform.