Secret Service arrests armed woman outside White House

A group of Secret Service police gather on the North Lawn as a member of the Secret Service Counter Assault team surveys from the White House rooftop, Oct. 22, 2014, in Washington, D.C. (Photo by Jacquelyn Martin/AP)
A group of Secret Service police gather on the North Lawn as a member of the Secret Service Counter Assault team surveys from the White House rooftop, Oct. 22, 2014, in Washington, D.C.

An armed Michigan woman was arrested outside the White House on Thursday night, a law enforcement source told NBC News. The woman, who was identified as April Lenhart, 23, and isn't cooperating with investigators, was arrested after plainclothes Secret Service agents spotted her with a 9 mm handgun in a holster along the White House's north fence line, a Secret Service official said.

Lenhart was held on suspicion of possession of an unregistered firearm, the official said. A second person who was with her wasn't arrested.

Read more at NBCNews.com