A man has been taken into custody following a violent incident on a train traveling from Budapest to Vienna. According to prosecutors, the suspect allegedly assaulted the conductor during a routine ticket inspection. During the altercation, the man reportedly threatened to kill the railway employee. Authorities intervened to stop the attack and secure the suspect. The incident has caused significant concern regarding staff safety on international rail services. Legal proceedings are expected to follow as investigators gather more evidence. The conductor's condition has not been further detailed in the report.