Police have arrested a man they believe is responsible for an armed robbery.
Saturday, Mark Coleman was apprehended in Middleton following a tip from CrimeStoppers.
Meanwhile, two other suspects, Kelly Williams and Quantaze Campbell, remain at-large. They may be armed and are considered dangerous.
On March 5, police say the three suspects, armed with a handgun, robbed an acquaintance at the intersection of Edenberry and Dunmore in Fitchburg.
Anyone with information is urged to call CrimeStoppers at (608) 270-4300.