UPDATE: Authorities say a Weymouth, Massachusetts, man has been arrested and charged in connection with Tuesday's investigation.
Earlier story below:
Investigators were in Weymouth, Massachusetts, for several hours on Tuesday focusing on a home on Memorial Drive.
Police have not released any information yet on the incident, but Weymouth Police, Massachusetts State Police and the Bureau of Alcohol, Tobacco, Firearms and Explosives are all involved.
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Neighbors have been watching this whole thing unfold with shock. THey say it began around 9 a.m. when law enforcement surrounded the home.
Video shot by a neighbor shows what appeared to be weapons and weapon-manufacturing equipment being taken out of the home by police.
At one point investigators had a table outside with weapons lined up.
"They came out with like 15 guns and a bunch of money," neighbor Judy McCluskey said. "It took them all day. There were stacks of guns. I was just like, 'Wow, I can't believe all that was in there.' It was a lot, it was a lot."
Neighbors said they saw at least one man arrested.