The federal agents, along with approximately six FBI vehicles, were seen at Bolton's home for over an hour early this morning around 7 a.m. Local Montgomery County police were observed by ABC News blocking both entrances to Bolton's street but have since left.

FBI agents searched the home and office of Donald Trump's ex-national security adviser John Bolton on Friday, as part of an apparent investigation into the handling of classified information.

The FBI raided former national security Advisor John Bolton's home in Bethesda, Maryland, on Friday as part of a “national security investigation in search of classified records,” a source familiar with the matter confirmed to NBC News. The FBI declined to comment. Bolton did not immediately respond to NBC News' request for comment.