The crash took place in Franklin County around 8:30 a.m., Thursday, Dec. 2 in Gill.
According to Gill PD Chief Christopher Redmond, who was driving the vehicle, he was waiting to turn left onto Turners Falls Road in Bernardston when the crash occurred.
Redmond rendered aid to the injured parties in the other vehicle and they were transported to Baystate Franklin Medical Center.
A supervisor from the Massachusetts State Police responded to the scene to investigate.
A preliminary report indicates the driver of the second vehicle did not use care in stopping, causing the collision with the police cruiser, police said.
A witness also reported the second vehicle was operating erratically prior to the crash, the department added.
Redmond said he declined medical attention at the scene.
The Massachusetts State Police are conducting the investigation.
Click here to follow Daily Voice Hartford and receive free news updates.