from cnn:
Austrian authorities said on Wednesday that two suspects were arrested in connection with plans for an alleged attack in the Vienna region.
a 19-year-old Austrian citizen, who they identify as a sympathizer of Islamic State, was arrested Wednesday morning
Radicalized by the internet.
Today the three planned concerts were cancelled. Seems the venues, promoters, and government officials were still concerned. As safety comes first, they cancelled the shows.
This is not a good sign. Seems things will just get worse.