A California man has been arrested for abducting a 10-year-old child he reportedly met on social media apps Roblox and Discord, authorities said Wednesday.

Roblox presents itself to parents as a safe space for kids. Behind the scenes, it's waging a technological shadow war against condo games: digital sex parties where kids are flirting with danger.

Roblox, an online game platform for adults and children, has an estimated 150 million monthly active users. After a BBC investigation raised concerns about some explicit content, experts share how ...