This story’s headline was updated at 6:40 p.m. Aug. 7, 2022, to reflect that a person was detained as part of the investigation.

A person was detained during an incident Saturday night at the Target store in Gaithersburg’s rio shopping and entertainment center, according to police.

In a Twitter post at about 9:40 p.m., the Gaithersburg Police Department wrote that it is investigating a “suspicious situation” at the store after receiving calls around 8:17 p.m. about a person with a gun. The person was “located & taken into custody without incident,” the post said. A “BB gun was located,” it said, and there is “no ongoing threat to the public.”

The Montgomery County Department of Police wrote in a separate Twitter post that it is assisting with the investigation.

No additional information was immediately available.