MLive Firearm threat prompts temporary lockdown for U.P. school September 5, 2025 12:04 am Melissa Frick mfrick@mlive.com 0 Min Read SHARE Police have identified the person responsible for the threatening message about a firearm at Escanaba High School in Michigan’s Upper Peninsula. This post was originally published on this site Previous Article 25-year-old in critical condition following two-vehicle crash in Alamo Township Next Article Ann Arbor father detained by ICE agents after elementary school drop-off, witnesses say