People are . A of the killings in Christchurch is on social . A terrorist killed 50 at two . He put a live- on Facebook. People say social media did stop the video spreading. asked people to stop sharing . One said: "That is the terrorist wanted."
Facebook said it removed the video and the shooter's Facebook and Instagram . YouTube said it removes when tell them to. The said sites must do to stop the spread of " material". It said media sites must not "do the terrorists' for them" and must not spread their .
