Authorities are investigating a break-in and theft of two semi-automatic rifles from a firearms retail store in Holliston, Massachusetts, on Thursday night.

Holliston police responded to the Mass Firearms School at 100 Kuniholm Drive around 11:19 p.m. Thursday for a report of a break-in, the Middlesex District Attorney's Office said. Video surveillance from inside the building showed that three people were on scene, two of whom were seen inside the store.

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Upon arrival, officers found that the front glass door of the business had been smashed. Officers from nearby Ashland arrived moments later and assisted in clearing the building to make sure none of the suspects were still inside. A K-9 unit from Framingham also

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