Children as young as nine have been added to malicious WhatsApp groups promoting self-harm, sexual violence and racism, a BBC investigation has found.

* Go to WhatsApp Group settings to restrict who can add you to a group.

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Sexism is on the rise in schools because of harmful content on children's phones, according to the National Education Union's (NEU) general secretary.

Daniel Kebede said boys watched "aggressive and violent pornography" and influencer content that "completely distorts their view of women".

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"Jodie" found images of herself used in deepfake porn - and then faced another terrible shock. She told BBC File on 4 about the moment she realised the person responsible was one of her best friends.

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Louise Bruder never forgets a face. Which is not only a handy skill at parties, but it has helped her carve out a career.

She has the fabulous job title of super-recogniser, and her work at UK digital ID firm Yoti involves comparing the photos on an identity document with an uploaded selfie, to determine if it is the same person.

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Former England striker and broadcaster Eni Aluko has criticised Elon Musk's X social network for allowing people to "vomit their hatred unchecked".

Examining the messages she received, I have found posts that were both racist and misogynistic - using gendered slurs, threatening violence and sharing monkey emojis.

"It's an attempt to really project inferiority on women and on black people. Because it's not just specific to football, right? This is a generic experience,"

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The minimum age to use WhatsApp in Europe and the UK will fall from 16 to 13. It is currently 13 in other countries including the US, and WhatsApp said it had made the decision to ensure consistency.

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