TOWNSEND -- The Townsend Police Department continues to investigate the June 6 robbery of Workers Credit Union on Main Street in Townsend.

On the following day, Townsend police arrested John J. Martin, 32, who listed his parents' address of 1 Sumac Drive in Townsend, at the time of his arrest. The arrest occurred Friday afternoon after Fitchburg Police spotted the vehicle believed to be involved in the robbery being driven by Martin. Martin was arrested by Townsend Police Officer David Phillips on Pearl Street in Fitchburg at approximately 6:30 p.m. after Fitchburg Police made a traffic stop of the vehicle.

Martin was transported back to the Townsend Police Department where he was held over the weekend on $50,000 bail. He was arraigned at Ayer District Court Monday and ordered held on $20,000 bail pending his further arraignment on charges of unarmed robbery and accessory before and after the fact.

Martin was believed to be the driver of the vehicle, a red Ford F-150 pickup truck, which was used in the robbery. The vehicle was towed back to the Townsend Police Department where it has been impounded and will be searched for evidence once a warrant is obtained.

Chief Erving Marshall stated that there is at least one other person that is suspected to be involved in the robbery. The investigation is ongoing under the direction of Sgt. Cheryl Stevenson.