Instagram has committed to remove all images of graphic self-harm, the platform’s boss has said.

The move comes amid intense criticism of the Facebook-owned service, which has been accused of not doing enough to removes posts that glorify self-harm and suicide in the wake of the death of schoolgirl Molly Russell.

Instagram boss Adam Mosseri said the company had previously allowed people to share graphic images of self-harm. But it will be changing its policy to ban those posts as well as looking to find and remove posts.

“Historically, we have allowed content related to self-harm that’s ‘admission’ because people sometimes need to tell their story – but we haven’t allowed anything that promoted self-harm,” he told the BBC.

“But, moving forward, we’re going to change our policy to not allow any graphic images of self-harm.”

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At the moment, the site relies on users to report problem images, which Instagram may choose to take down or not. It will now work on new technologies to spot such images, he said.

But some images that relate to self-harm might still be visible on the site, he said.

“I might have an image of a scar and say, ‘I’m 30 days clean,’ and that’s an important way to tell my story,” Mr Mosseri said.

“That kind of content can still live on the site but the next change is that it won’t show up in any recommendation services so it will be harder to find.

“It won’t be in search, it won’t be in hashtags, it won’t be in recommendations.”