Complex sentence: This was evident at the Sydney race riots of December 2005, violence on a certain ethnic group was encouraged through text messages.Impromptu gatherings can be seen as a risk to public order or an expression of the right of free speech.
Split into simpler sentences: This was evident at the Sydney race riots in December 2005, violence on a certain ethnic group was encouraged through text messages. Here impromptu gatherings can be seen as a risk to public order or an expression of the right of free speech.