The woman was outside the White House protesting President Obama's immigration speech.

April Lenhart, 23, of Mount Morris was arrested around 8:30 p.m. Thursday as she was demonstrating along the north fence of the White House. Authorities saw a holstered handgun on her hip, then arrested her.

Lenhart was charged with possession of an unregistered firearm and ammunition, and carrying a pistol without a license.

Gun laws aren't as relaxed in Washington D.C. as they are in Michigan. After doing some research I found that open carry is prohibited, you can read some info on that here, or here.

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