Cybersecurity expert and child safety advocate Susan McLean posted a warning on Facebook about the horrifying video, advising parents the clip can also be hidden in innocent looking content such as cat videos.
“Please ensure you do not allow your older teens on the app today if they have it,” Mrs McLean wrote on Facebook.
“It is apparently now on Instagram but they are at least removing accounts posting it.
“Check in with your kids today, they most likely will know about it.
The man is reportedly Mississippi man Ronnie McNutt, whose church confirmed his death on its own Facebook page, describing him as “very caring, committed, loyal, dependable, and eccentric”.
“He served his church faithfully and was loved by many,” the Celebration Church Tupelo added.