In North Rhine-Westphalia, unknown individuals have positioned concrete slabs on tracks. A prepare with lots of of passengers drove into objects regardless of emergency braking. The investigators are inspecting a political background to the crime.
https://www.spiegel.de/panorama/justiz/kamen-staatsschutz-ermittelt-nach-zugkollision-mit-betonplatten-a-58a0a1ac-36b1-4bb4-941d-231dc849391b#ref=rss