One in four teens in Germany has been the target of cyberbullying. 13-year-old Lukas was one of them. He took action and spoke out about the ostracism he experienced, to give other victims courage and comfort.
Cyberbullying: many teenagers have been targeted by it. The bullies abuse their victims in text messages or on social media. But more and more teens are fighting back, many by going public with their stories. One is Lukas, a 13-year-old student. He received hate messages. Now he's started a cyberbullying help line for teenagers and told his own story to the media.