Johnston County officials shut down the Department of Social Services Main Building Thursday after bed bugs were found in the waiting area and a few offices.

The building, at 714 North St. in Smithfield, was treated by a pest control specialist on Thursday and would reopen at 8 a.m. Friday, officials said.

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Bed bugs are small, reddish-brown insects that live by feeding off the blood of humans. They do not transmit disease, officials said.