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.

Roblox ’s chief executive is facing a wave of fury after his company sent a cease and desist letter to a YouTuber known for exposing alleged child predators on the online gaming platform.

Louisiana sued the online gaming platform Roblox on Thursday, alleging the wildly popular site has perpetuated an environment where sexual predators “thrive, unite, hunt and victimize kids.” ...