After the shootings, US President Donald Trump laid blame on the internet and social media for providing places “to radicalize disturbed minds.”
Gauteng police say they are reviewing CCTV footage and all videos shared on social media to identify suspects involved in Thursday’s riot in the Johannesburg CBD.
Several conservatives on social media have said they are attending the summit, including Bill Mitchell, a Trump supporter who hosts an online show.
Using the hashtag #BlueForSudan, activists, social media influencers and celebrities have begun a viral campaign to express solidarity for protesters in Sudan based simply around the colour blue.
Twitter has apologised for suspending a number of accounts critical of China, days before the politically sensitive 30th anniversary of the Tiananmen Square crackdown.