Sixteen weapons are missing after a break-in at a military armory in Worcester, Massachusetts, the FBI confirms.

A source close to the investigation told necn six M4 rifles and 10 M11 pistols were taken.

The FBI said there is no indication that the break-in at the Lincoln Stoddard U.S. Army Reserve Center had any ties to terrorism. The agency is working with state and local police to recover what was taken and to determine how the weapons were stolen.

Additionally, the missing weapons have been listed in the NCIC database.

The break-in happened sometime between 6 p.m. Saturday and 1 a.m. Sunday, Worcester City Manager Edward M. Augustus Jr. said in a press release issued Monday. Worcester police and fire officials responded to a call at 8:39 a.m. Sunday from an employee reporting smoke and signs of forced entry.

Augustus said an unidentified male subject is wanted in connection with the theft, and Worcester police are working with federal and state law enforcement agencies in the investigation.

Though nothing indicates the crime is linked to a pecific threat, Worcester police have ramped up their presence in several locations around the city as a precaution.

The police department has released the following statement in connection with the investigation:

"The Worcester Police Department is working in collaboration with federal and state law enforcement agencies in the investigation. A Worcester police officer assigned full-time to the FBI is coordinating our participation in the investigation.

"The Worcester Police Department will enhance regular patrols near key locations around the city. Although there is no specific or credible threat to the Commonwealth of Massachusetts at this time, Worcester police along with our law enforcement partners will maintain heightened awareness of any potential suspicious activity in the area. Members of the public are reminded to call police if they see anyone or anything that appears suspicious.

"If anyone has information for Worcester Police they can send an anonymous text to 274637 TIPWPD + your message or send an anonymous web based message at worcesterma.gov/police. Calls can also be made to the Worcester Police Detective Bureau at (508) 799-8651."