"I didn't know that that was going to happen," she says. Dad Warns Parents After Son, 12, Dies from 'Blackout Challenge': 'Check Out' Your Kids' Phones Olivia also says she didn't know the video ...

A mother has told how her teenage son died after passing out in front of his friends online while allegedly performing the same TikTok challenge blamed for the death of 12-year-old Archie Battersbee.