Greenfield police assisted state police in a drug arrest Thursday.
Police say Cayla Jones of Manchester, CT, didn't stop for police and ditched her car leading police on a foot chase.
A helicopter and K-9 units were brought in to assist in the search. Greenfield police say the helicopter noticed a person walking on some train tracks.
A tipster called in saying they saw someone jump into a white car with Connecticut license plates in the area of Silver and Federal streets.
The helicopter located the car and crews on the ground arrested Jones and a male passenger.
Officers found what they believe is cocaine and more than 200 bags of heroin.
Jones faces a number of drug charges.
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