A month after Instagram promised to remove graphic images of self-harm from its platform, Sky News has found numerous disturbing videos and pictures on the social media website.

Little did Mark Zuckerberg think when he set up Facebook 15 years ago that the adventure would make him wealthy beyond comprehension — something north of €50bn.

Instagram boss Adam Mosseri has said the social media platform is "not yet where it needs to be" on its handling of content around self-harm and suicide.

The father of a 14-year-old girl who took her own life has said Instagram "helped kill my daughter".