Massachusetts State Police are searching for a man they believe is armed and dangerous in Berlin.
Authorities said they are using a K9 crew to search the area around River Road West and South Street for the suspect.
They are also urging residents in the area to stay indoors and bring in any pets.
The suspect was last seen wearing black shorts, a black shirt and white socks.
Residents are urged to call 911 if they see any suspicious activity.