Dispatchers sent police to Pennock Hospital in Hastings around 5 a.m. Sunday to follow up on a call they received about a man being treated for a possible drug overdose.
The 28-year-old man told officials that he was held down against his will and injected with an unknown substance at a home in the 1500 block of N. East St.
Investigators determined that the man had not been injected by force, according to the Hastings Police Department.
Police have obtained a search warrant for the home on North East Street and are continuing the investigation.
The Michigan State Police, Barry County Sheriff’s Department, Barry County Child Protective Services and the Barry County Health Department are all involved in the case.