Middletown Borough Police on Saturday night issued an advisory warning residents to avoid the area of E High and Pine Streets as well as E High and Spruce Streets.
The advisory read simply: Please allow the police to do their job.
Dauphin County dispatch said only that a police incident was underway in that area.
In a Facebook message the wife of Mayor James Curry relayed a message from the mayor, who was without Internet access:
A police incident has occurred at 1090 North Union Street. There is no danger to the public and the investigation should be wrapping up soon. I wanted to make sure your nerves were calmed. Enjoy the evening!