Taylor Swift’s Eras’ Tour concerts in Vienna, scheduled for August 8–10, have been cancelled due to a foiled terrorist plot. The events were expected to draw around 65,000 attendees each night. Two suspects have been arrested. The main suspect is a 19-year-old Austrian citizen who is believed to have pledged allegiance to Islamic State last month. Authorities found chemical substances in his possession and noted that he had been radicalised online. The other suspect was arrested in Vienna. Concerts have always been prime targets for terrorists seeking to inflict maximum harm. This was tragically underscored by the attack on Crocus…