CONCORD, N.H. (5/5/08)--A Concord, N.H., police officer was shot inside an under-construction branch of Granite State CU Thursday when another officer's gun discharged. The officer was treated and released from a local hospital. "We're glad nobody was seriously injured," Denise Caristi, president/CEO of Granite State CU told News Now. Four officers were inside the branch around 4:30 a.m. when the incident occurred. The officer, who was wearing a bulletproof vest, was shot in the chest. "We're not sure why the officers were in the building," Caristi added. "The state attorney general's office is investigating." There was no damage to the branch, and construction is still on schedule, she said. The credit union branch is scheduled to open this summer. Granite State CU is located in Manchester, N.H. It has $205 million in assets.