Users will be able to leave group chats silently, control who can see their online status and block screenshots on View Once messages.

Meta chief executive Mark Zuckerberg said this would help keep WhatsApp messaging "as private and secure as face-to-face conversations".

It will begin rolling out the features this month, highlighting them in a global campaign, starting in the UK.

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'One day, just after I had dropped my son off at school, I was sent a horrific video on WhatsApp. It made me question how images and videos of child sex abuse come to be made, and how they can be openly circulated on social media. And I wanted one answer above all - what happened to the boy in the video?'

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'She was the only one to be prosecuted of the 17 people who received the child abuse video.'

There is a lot to think about here. Those of us who work with young people are held to account perhaps more severely than 'other' adults.

A senior police officer convicted of possessing a child abuse video on her phone has been told she faces "immense" career consequences.

A court heard Novlett Robyn Williams failed to report her sister for sending the "disturbing" clip last year.

While jurors at the Old Bailey accepted Williams did not view the material, they rejected her claim she was unaware of its presence on her phone.

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