Medical examiner warns of deadly fentanyl overdoses in five Mid-Michigan counties.

Medical examiner warns of "grave danger" from bad batch of fentanyl circulating in five Mid-Michigan counties. Dr. William Morrone, who covers Arenac, Bay, Iosco, Midland, and Tuscola counties, has investigated six deadly overdoses over the past 11 days. He recommends drug users seek treatment to beat addiction, keep Narcan available, avoid using drugs alone, use fentanyl test strips, and avoid mixing drugs.