A new phone app is being launched with the aim of putting an end to cyber-bullying of children via texts and mobiles. The Block’em app was thought up by Helen Perry, who was herself subjected to harassing calls on her mobile as an adult.

“I found it all very unpleasant, as an adult, and I couldn’t stop looking at the messages,”

“Then I started to imagine what it would be like for a child to experience it.