It is therefore a beat practice to generally avoid mention suicide, because mentioning suicide means prompting people to think about suicide and in some cases that means prompting people to consider suicide. This is known as the Werther effect, you can look that up if you'd like to know more.
The official reason for the delay, according to the Ruter app, the info screens and announcements over the PA system, was "signalfeil" ("signal error"). So at least in Norway, we clearly have a culture of describing all sorts of problems, including completely non-technical problems like someone having a medical emergency, as a problem with the train signals.
It's usually reported (briefly) in the local news.
I find it stupid, it is what it is, just say it. This double speak serves no purpose.