DETROIT – The Michigan Poison Center at the Wayne State University School of Medicine is issuing a warning about recent reports involving “purple heroin” in Michigan. The drug has been linked to several overdoses in the Upper Peninsula and one overdose-related death in Van Buren County. Samples of the drug were sent to the Michigan State Police Laboratory for testing. They do not know if “purple heroin” is colored before or after arriving in Michigan. The Michigan Poison Center is available by calling this number 800-222-1222.