UPDATE: Michigan State Police say 911 service has been restored.
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911 service is out in most of the Upper Peninsula. An upgrade to the 911 system caused a technical issue, and crews are working to resolve the problem.
Michigan State Police say residents should call the following numbers in the case of an emergency:
Baraga, Houghton, Keweenaw, Ontonagon, Schoolcraft counties: 866-411-0018
Marquette: 475-9912
Alger: 387-7030
Delta: 786-5911
Menominee: 863-6614