UPDATE 12/7: The FBI has released the results of their roundup. You can read the full details about it here .

UPDATE 5:36 p.m.: Various media reports indicate that at least 10 have been arrested as part of the raids. Still no official statement from the FBI, however.



UPDATE 2:20 p.m.: WUSA9 reports that the round-up is happening mid-Wednesday afternoon, and is focused on "local gangs" and "violent criminals" in Northern Virginia, with some operations in the District. The Bureau of Alcohol, Tobacco, and Firearms had been investigating them for some time and had recruited the help of local police to round them up, according to the report. The round-up involves multiple federal, state, and local agencies.

