Amber Petersen was lounging in bed with her 7-year-old daughter last week, watching her play the popular children's video game Roblox on her iPad when she saw a disturbing display on the screen.

According to technology news site Recode, Roblox has about 64 million monthly players, most of them children and teenagers, and is targeted chiefly at “kids around the age of 11”.

A popular children's video game has blamed a virtual "gang rape" on a hack of its systems. Amber Petersen's seven-year-old daughter was playing Roblox, when she was attacked by two male characters ...

Roblox is a multiplayer platform where players can create their own games and join in with others A US mum has written a Facebook post describing her shock at seeing her child's avatar being "gang ...