Originally Posted by
Vanished-point
Why arrest?
Most suicide attempts that fail land people into the ER where they are treated possibly for a prolonged period of time and then admit them to the psychiatric ward. Unless you meant retaining them in case of further harm then yes but arresting someone after an attempt is stupid.
It may lead to arrest in order to keep them restrained for their own safety. It's not always possible for the police to get you to a hospital and to get you a suitable place there, so they arrest you so as to keep you in the cells overnight.