Two "unprovoked" stabbings were reported in separate Massachusetts towns on Saturday, and police arrested a suspect they say was involved in both.

Braintree Police Department Chief Timothy Cohoon told Fox News Digital the first incident was reported at an AMC theater in Braintree at around 6 p.m. The suspect, whose identity has not been released, reportedly approached four young girls inside the movie theater without paying for a ticket.

"Without saying anything and without any warning, he suddenly attacked and stabbed the four young females," the police department's press release said. "The attack appeared to be unprovoked."

The victims, between the ages of 9 and 17, sustained non-life-threatening injuries. They were taken to Boston-area hospitals for treatment.

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Split image of AMC logo and Braintree Police Department

The Braintree Police Department confirmed the AMC stabbing to Fox News Digital on Saturday night. (Getty Images)

Police said the suspect ran out of the movie theater and drove away in a black vehicle. Shortly after the first attack, a stabbing involving a black vehicle was reported in Plymouth. Authorities identified the vehicle by using surveillance footage.

"Using various investigative techniques, the officers were able to see that the suspect was no longer in the area," the release added. "There was also video footage that allowed authorities to capture a license plate."

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Plymouth Police Department exteriors

A stabbing in Plymouth, Massachusetts, was reported after the Braintree incident. (Google Maps)

"That vehicle was pursued by Massachusetts State Police and ultimately crashed in Sandwich. The driver has been taken into custody. It appears as though the crimes are related."

Fox News Digital reached out to the Plymouth Police Department and the Massachusetts State Police for more information.

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Mass State Police car

The stabbings are under investigation. (John Tlumacki/Boston Globe via Getty Images/File)

Authorities said they are investigating the stabbings.