All sheer speculation--the reference to cyberattack was from a now dead comment suggesting it was ransomware. It doesn't seem likely to be a physical obstructi

All sheer speculation--the reference to cyberattack was from a now dead comment suggesting it was ransomware. It doesn't seem likely to be a physical obstruction on the tracks, though, as the entire system is down and trains aren't running anywhere. I don't know if that's happened before.