Parents’ pain after 9yr-old daughter died from social media ‘blackout challenge’ as they desperately tried to save her

A 9-YEAR-OLD girl has died after strangling herself while attempting social media's "blackout challenge" as parents frantically tried to save her. JackLynn Blackwell tragically choked herself to death in her family home in Texas while taking part in latest dangerous trend on social media. Earlier that day the young girl had shown her grandmother a...