Mum's Momo challenge warning after son, 5, threatened to stab classmates

A heartbroken mum has penned a Facebook post about the Momo challenge after her little boy threatened to stab his classmates.

Elli Spicer says she was called into her five-year-old son’s school around four weeks ago because of his threat to two other kids.

She says she was left devastated by the incident, Kent Live reports.

But since then, she has discovered the youngster had been exposed to Momo – a character with grotesque features and bulging eyes.

The Momo challenge sees the haunting character appear in children’s videos and threaten them if they refuse to follow ‘orders’.

Some of the threats reportedly include children being "killed in their sleep", with victims even told to harm or kill themselves.

In her Facebook post, Elli, from Dover, Kent, says she’s not sure whether the challenge influenced her son’s behaviour at school.

But she says after taking steps to uninstall some apps on his tablet, activate extreme parental controls and ban YouTube, the little boy has "had more good days at school than bad".

"Please tell your kids it’s pretend!" she writes in the post.

"Even if you think they haven’t ever seen this ugly b******, the likelihood is they probably have."

Children targeted by the challenge are enticed to contact Momo via WhatsApp, where they are sent graphic images and instructions.

They are reportedly threatened that the character will "curse them".

It is believed that some videos on YouTube, including Peppa Pig and Fortnite, are being interrupted mid-way by the terrifying woman.

British schools have recently issued warnings about the challenge, with one saying it poses a "serious risk" to kids’ safety.

But Elli, who uploaded her post publicly yesterday, is fighting back to ensure her children aren’t scared by Momo anymore.

She writes in the post: "I’m absolutely devastated! – this is long winded, apologies.

"In the car on the way home from school yesterday, I asked Honey or Ronnie if they knew what “Momo” meant? (I never showed them a photo and I wasn’t ever going to, I just said the name).

"Honey instantly looked in my mirror at me and went ‘Eww Mum I have she’s got a smile like joker & big scary eyes’ – Ronnie just sat there staring at me.

"Honey said she’d never watched a video of this sick freak telling her to do bad or dangerous things but that she’s popped up in loads of innocent kids videos on YouTube, where her neck twists round or she’ll walk across the screen! (Cookie Swirl C, Ponies of Harmony, MLP, videos on YouTube)

"Back to Ron… he refused to tell me at first not taking his eyes off me in the mirror (Ronnie struggles with eye contact for long usually) and was completely in denial about ever seeing this ugly c***.

"Finally when I told him the silly “person” who made this fake creepy looking creature was in jail with all the other bad guys and that the YouTube police are hunting down all the Momo videos and deleting them, he told me he’d seen it loads of times! (Heart sinks).

"Four weeks ago I was called into his school because he’d said to two children he was going to “stab them” – I was devastated and it’s been dealt with accordingly. (Bare in mind he turned five in January!) (sic).

"He’s been wetting the bed and he’s been coming into my bedroom early hours because of scary dreams! I am absolutely gutted, I honestly thought my children were quite sheltered. This freak scares me let alone my kids.

"Please tell your kids it’s pretend! Even if you think they haven’t ever seen this ugly b******, the likelihood is they probably have."

"I only mentioned the name (off the cuff expecting them to be totally confused. As soon as I saw their faces in my rear view mirror I knew they knew!)

"I’m just glad I’ve told them it isn’t real, it doesn’t exist and sadly there are some nasty bad people in the world who like to scare children. They know in future to tell me anything.

"I’m not sure if this influenced Ronnie’s behaviour at school, his bed wetting and his bad dreams but nearly two weeks of certain apps being uninstalled on their tablets, extreme parental controls activated and YouTube totally banned because of Momo NOT them, Ronnies had more good days at school than bad, hasn’t woke once complaining of a bad dream & has been dry for almost a week.

"We decided to restyle Momo, and now my kids find it hilarious that this stupid c*** is rocking a emoji bow with scientist Goggles!"

She ends her post with the hashtag: #momocangogo .