Taylor Swift has postponed her Eras Tour concert in Rio de Janeiro, Brazil, after a 23-year-old fan died during her Friday night show. In response, Swift posted a handwritten note expressing her grief and shock, and the mayor of Rio de Janeiro has demanded changes to the stadium before the final two shows. Swift's team has released a statement expressing their condolences to the family of the deceased fan, and fans are encouraged to stay hydrated and take necessary precautions to ensure their safety.