MERRIMAC, Mass. — Police say one person has died and two others were hospitalized after a car fleeing a traffic stop in Merrimac crashed into a utility pole.Merrimac Chief Eric Shears says an officer noticed a car with its license plate light out at about 12:10 a.m. Monday and turned on his blue lights in an attempt to make a stop.Instead, the car sped away toward Amesbury.The officer lost sight of the vehicle but soon saw that it had crashed.