This is quite confusing to read cause the article doesn't mention it as terrorism. They seem to play it down as some sort of violence.
I'm not sure if this would have been the case if there were any Muslim involved.
Terrorism is violence with political or ideological motives.
The motive in this situation is currently completely unknown. It very well may be terrorism, and that has nothing to do with the race or religion of the perpetrators. It has to do with their motive.
