The bras activated the safety frame, the students had to take them off
Students of the Faculty of Business and Economics at the Czech University of Life Sciences in Prague had to take off their underwire bras, which activated the safety frame, due to safety rules at the testing center. The so-called test centre staff referred to the regulation of Dean Tomáš Šubrt, which forbids allowing anyone to take the test who activates the metal detection safety frame.
Source idnes.cz/czu-podprsenky-eticka-komise-dekan