SALT LAKE CITY (AP) — Two teens in Utah are facing criminal charges in separate cases after police said they made social media threats alluding to school shootings. Authorities concluded neither threat was serious, the Salt Lake Tribune reported .

A 17-year-old boy was arrested Thursday in Springville after he posted an online photo of himself or someone else holding an assault rifle. The caption read "Burrr it's cold."

Springville police Lt. Warren Foster said the teen faces several charges, including making a terroristic threat. He said police determined the boy had not plotted an attack and...