The Staropolska Restaurant in New Britain is closed on Saturday after an overnight break-in and city officials said an arrest has been made.
In a post on Facebook, the restaurant posted pictures showing smashed glass in a door.
They said nobody was hurt and there is only material damage.
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City officials said police made an arrest in connection to the break-in. No details were released about who was released or what charges he or she may be facing.
The restaurant plans on reopening on Sunday.
According to the city, this incident is not related to the threats other businesses in Little Poland recently received.
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A Polish attorney and a restaurant owner said they both received offensive letters in the mail, one of them threatening to burn the restaurant down if they kept supporting Ukraine.