Friday night law enforcement arrested four people for an active meth lab in Munising.
At approximately 9:30 p.m., the Michigan State Police, along with detectives from the Upper Peninsula Substance Enforcement Team (UPSET), served a search warrant at 721 W. Superior Street.
There officers discovered and seized materials for an active meth lab and meth that had been produced.
Three adult males and one female were arrested. All four are lodged in the Alger County Jail pending arraignment.
Police are not releasing names until after the arraignment.