People  are angry because a video of the killings at a  in Christchurch is  on social media sites. On Friday, a terrorist shot and killed 50  at two mosques. The gunman live-streamed the shootings on Facebook. The video spread across social media. Many people think social media  have not done  to remove the video. Social media users posted  asking people to stop sharing it. One  said: "That is  the terrorist wanted." Another said social media sites quickly take down  videos but not terror videos.
Facebook said it acted  to remove the . It said: "New Zealand Police alerted us to a video on Facebook shortly after the live-stream commenced. We quickly removed  the shooter's Facebook and Instagram  and the video." YouTube said it removes videos as  as people highlight them. The UK's Home Secretary said social media sites  do more to stop the spread of " material" . He said: "It is wrong and it is illegal." He said social media sites must  "do the terrorists' work for them". He said this terrorist wanted to spread his .