FALLS CITY, Neb. (AP) — Authorities say vandalism has forced closure of some offices in a southeast Nebraska courthouse.

Nebraska City radio station KNCY reports that deputies are investigating Monday night's break-in at the Richardson County Courthouse.

It's unclear so far how much damage was done and how the vandals gained access to the building. No arrests have been reported.

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Information from: KNCY-AM, http://www.kncycountry.com