Predictably we're not told whose "fears" these are. I suspect it's a case of 'journalistic licence'. And presumably The Mail considers its own images of burning vehicles and those broadcast on rolling news channels to millions through the night to be less controversial than those posted and retweeted "more than 100 times" on Twitter.
Further down the article any doubts that Twitter's was a mere bit-part in the violence have vanished altogether as it is a declared a bull blown "Twitter riot" in one of the image captions
