There was a large police presence after a report of a person armed with an assault rifle in Boston's Roxbury neighborhood, but authorities say only a BB gun was found.
Police responded Monday afternoon to Columbus Avenue near the Spencer House, a low-income senior housing facility.
Authorities initially told NBC10 Boston they were investigating as aerial footage showed officers searching the area.
Shortly after 6 p.m., the Boston Police Department said it had been investigating a report of a person with an assault rifle. The device was determined to be a BB gun.
Police said officers were conducting a psychological evaluation, and that no arrests had been made.
No further information was immediately available.