https://www.reuters.com/article/us-facebook-extremists/facebook-restricts-live-feature-white-house-snubs-call-for-new-zealand-shooting-response-idUSKCN1SL07Q >Facebook announced steps on Wednesday to temporarily block users who break its rules from broadcasting live video, in the wake of an international outcry after a gunman killed 51 people in New Zealand last month and streamed the attack live on his page.