Manitowoc Police responded to an incident at The Manitowoc Public Library shortly before three this afternoon.
Seehafer News was told that officers entered the library to apprehend an individual.
One witness said law enforcement officials entered the library with long weapons drawn and tactical shields.
All patrons and employees were directed to leave the building immediately while law enforcement searched the building.
An all-clear was given at approximately 3:15 p.m. and all staff and patrons were allowed back inside.
No further details are available at this time.