Gotthard Base Tunnel (The Devils Tunnel) is closed indefinitely due to the train crash from a broken wheel
.
"Since convoys are checked for damages at the entrance of the tunnel, it could be that the wheel broke while the train was already inside the tunnel."
https://www.railfreight.com/railfreight/2023/08/15/gotthard-tunnels-closure-prolonged-no-re-opening-date-in-sight/?gdpr=accept
Derailed. kek