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A heartbroken mum whose daughter took her own life after being bullied on Snapchat has warned those responsible: “Be careful what you say, words can’t be taken back.”

Megan Evans, 14, was found dead at her home after a secret battle against cyber bullies that she kept from her parents.

Her grieving mum Nicola Harteveld, 40, only found out about Megan’s torment when cruel messages were discovered on her phone after her death.

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Speaking out in a bid to stop other families going through the pain they are suffering, Megan’s brave mum has decided to speak out to raise awareness of cyber bullying and where children can go for help.

She said: “It’s transpired she was being bullied on Snapchat.

“Unfortunately, there’s no getting away from it now – they have their phones 24/7.

“Be careful what you say, words can’t be taken back.

“They may seem trivial or may be said in anger or jest, but they can’t be taken back.

“You don’t know how that person will take it so be mindful of someone else’s situation.

“I want everyone to remember there’s always someone to talk to.”

Megan was a Justin Bieber fan who was looking forward to seeing her idol playing in Cardiff in June.

Now kind-hearted well-wishers are trying to raise money to buy signed memorabilia to be placed inside Megan’s coffin.

Nicola described how her daughter seemed “completely normal” in the days and hours leading up to her death.

The “outgoing and sporty” teenager, who leaves behind one sister and six brothers – aged between five and 15 – was planning a school trip to Paris next month and there were no signs anything was wrong, according to her mum.

Nicola, from Milford Haven, said: “I want to raise awareness of teen suicide. She took her own life.

“We just didn’t see any signs. I want people to be aware.

“That’s what makes it so difficult to understand because we didn’t see anything coming.”

She continued: “We still don’t know why because she didn’t leave a note, but from what we have found out, there was some Snapchat bullying going on.”

Her death is now being investigated by Dyfed Powys Police and is not being treated as suspicious.

Emergency services were called just after 10pm on Tuesday and Megan was rushed to hospital where she was pronounced dead.

Talking about the fundraising appeal and paying tribute to her “rock”, Nicola said: “Megan loved Justin Bieber. We got her Justin Bieber tickets for Christmas and she sobbed.

“We’re going to try to get some memorabilia signed to put in her casket.

“It was her dream to get some signed memorabilia from him and if I can fulfil that dream for her, it would mean everything.”

Nicola added: “Megan was funny, witty and always helping everybody out. She was everyone else’s rock, that’s what makes this so hard.

“The amount of people who have said ‘Megan was there for me and we are devastated’ is incredible.

“We had a note from a little boy who lived down the road who said ‘I was being bullied and she helped me’.

“She was outgoing and sporty. She was active and full of life. It’s humbling the amount of support that’s been shown for her.”

A police spokesman said: “Dyfed Powys Police is investigating the sudden death of a 14-year-old girl in the Milford Haven area.

“Police received a report of the incident at 10.08pm on Tuesday, February 7. There are no suspicious circumstances.”

Milford Haven School, where Megan was a year nine pupil, said in a statement: “The whole school community has been devastated by this terrible news. Our thoughts and sympathies are very much with the family at this moment.

“We are providing appropriate support and counselling at what is a very difficult time for everyone.”

The tragedy came just days after Nyah James, 14, was found dead in nearby Blaenymaes by her devastated mum when she tried to wake her for school.

Dominique Williams claimed her “beautiful daughter” took an overdose of prescription tablets after being relentlessly bullied on Facebook and Snapchat.

The 43-year-old said: “Her phone has been seized by police who are investigating. Whoever is at the end of it need to realise what they’ve done - we need justice.”