He may not respond to you if you had an argument but find someone else. I know that some stores like Sportsman’s Warehouse will hold them for people as will the local Police but most people are reticent to use the police station.

Utah 211 is an app and phone number that can provide resources and if in SLC the LDS hospital has an urgent care specifically for mental health and is better equipped than an ER to deal with this but if all else fails the ER is the place to go.