Swifties, a term for Taylor Swift fans, trade bracelets in the city centre in Vienna on Thursday, Aug.8, 2024. Organizers of three Swift concerts in the stadium in Vienna this week called them off on Wednesday after officials announced arrests over an apparent plot to launch an attack on an event in the Vienna area such as the concerts. (AP Photo/Heinz-Peter Bader)

Swifties gather in the city centre in Vienna on Thursday, Aug.8, 2024. Organizers of three Taylor Swift concerts in the stadium in Vienna this week called them off on Wednesday after officials announced arrests over an apparent plot to launch an attack on an event in the Vienna area such as the concerts. (AP Photo/Heinz-Peter Bader)

Swifties trade bracelets in the city centre in Vienna on Thursday, Aug.8, 2024. Organizers of three Taylor Swift concerts in the stadium in Vienna this week called them off on Wednesday after officials announced arrests over an apparent plot to launch an attack on an event in the Vienna area such as the concerts. (AP Photo/Heinz-Peter Bader)

Austrian police officers watch swifts gathering in the city centre in Vienna on Thursday, Aug.8, 2024. Organizers of three Taylor Swift concerts in the stadium in Vienna this week called them off on Wednesday after officials announced arrests over an apparent plot to launch an attack on an event in the Vienna area such as the concerts. (AP Photo/Heinz-Peter Bader)

Swifties trade bracelets in the city centre in Vienna on Thursday, Aug.8, 2024. Organizers of three Taylor Swift concerts in the stadium in Vienna this week called them off on Wednesday after officials announced arrests over an apparent plot to launch an attack on an event in the Vienna area such as the concerts. (AP Photo/Heinz-Peter Bader)

Swifties gather and sing in the city centre in Vienna on Thursday, Aug.8, 2024. Organizers of three Taylor Swift concerts in the stadium in Vienna this week called them off on Wednesday after officials announced arrests over an apparent plot to launch an attack on an event in the Vienna area such as the concerts. (AP Photo/Heinz-Peter Bader)

Austrian Interior Minister Gerhard Karner attends a press conference in Vienna on Thursday, Aug.8, 2024. Organizers of three Taylor Swift concerts in the stadium in Vienna this week called them off on Wednesday after officials announced arrests over an apparent plot to launch an attack on an event in the Vienna area such as the concerts. (AP Photo/Heinz-Peter Bader)

A person wears a purple head as Swifties gather in the city centre in Vienna on Thursday, Aug.8, 2024. Organizers of three Taylor Swift concerts in the stadium in Vienna this week called them off on Wednesday after officials announced arrests over an apparent plot to launch an attack on an event in the Vienna area such as the concerts. (AP Photo/Heinz-Peter Bader)

Jenny from Vienna trades bracelets in the city centre in Vienna on Thursday, Aug.8, 2024. Organizers of three Taylor Swift concerts in the stadium in Vienna this week called them off on Wednesday after officials announced arrests over an apparent plot to launch an attack on an event in the Vienna area such as the concerts. (AP Photo/Heinz-Peter Bader)

Outside view of the Ernst Happel stadium in Vienna on Thursday, Aug.8, 2024. Organizers of three Taylor Swift concerts in the stadium in Vienna this week called them off on Wednesday after officials announced arrests over an apparent plot to launch an attack on an event in the Vienna area such as the concerts. (AP Photo/Heinz-Peter Bader)

Swifties gather and sing in the city centre in Vienna on Thursday, Aug.8, 2024. Organizers of three Taylor Swift concerts in the stadium in Vienna this week called them off on Wednesday after officials announced arrests over an apparent plot to launch an attack on an event in the Vienna area such as the concerts. (AP Photo/Heinz-Peter Bader)

FILE - Taylor Swift performs at Wembley Stadium as part of her Eras Tour on Friday, June 21, 2024 in London. (Photo by Scott A Garfitt/Invision/AP, File)

Swifties gather and sing in the city centre in Vienna on Thursday, Aug.8, 2024. Organizers of three Taylor Swift concerts in the stadium in Vienna this week called them off on Wednesday after officials announced arrests over an apparent plot to launch an attack on an event in the Vienna area such as the concerts. (AP Photo/Heinz-Peter Bader)

Swifties trade bracelets in the city centre in Vienna on Thursday, Aug.8, 2024. Organizers of three Taylor Swift concerts in the stadium in Vienna this week called them off on Wednesday after officials announced arrests over an apparent plot to launch an attack on an event in the Vienna area such as the concerts. (AP Photo/Heinz-Peter Bader)

Swifties fix bracelets on a tree in the city centre in Vienna on Thursday, Aug.8, 2024. Organizers of three Taylor Swift concerts in the stadium in Vienna this week called them off on Wednesday after officials announced arrests over an apparent plot to launch an attack on an event in the Vienna area such as the concerts. (AP Photo/Heinz-Peter Bader)

A dog is decorated with bracelets in the city centre in Vienna on Thursday, Aug.8, 2024. Organizers of three Taylor Swift concerts in the stadium in Vienna this week called them off on Wednesday after officials announced arrests over an apparent plot to launch an attack on an event in the Vienna area such as the concerts. (AP Photo/Heinz-Peter Bader)