There was also a very peculiar train crash in the UK just a few days ago. A train hit a stationary train. That shouldn't really happen in this day and age. Sabotage was the first thing that came to my mind.
Maybe. OP isn't saying it's necessarily malicious interference though.
There was a GSM-R outage in the UK last month ago too [0]
[0] https://www.railforums.co.uk/threads/nationwide-gsmr-outage-...
Yes, and just yesterday a passenger train was routed into the path of a freight train due to some points failure. It does make you wonder. https://www.railmagazine.com/news/points-failure-results-in-...