Police raided prominent libertarian and gun rights activist home just days after he posted a video on YouTube of himself, loading a shotgun in Washington D.C.’s Freedom Plaza.

Marine veteran Adam Kokesh was arrested by U.S. Park Police on charges of drug and weapons possession, according to a Washington Post report by Trishula Patel and Justin Jouvenal. Fox News is reporting that Kokesh is refusing to leave his cell for arraignment.

A statement posted on Kokesh’s website describes a raid with numerous law enforcement vehicles, including two helicopters and a light armored vehicle, and roughly 20 SWAT team members. Lt. Pamela Smith, with the U.S. Park Police, told the Post that a search warrant was executed Tuesday evening at Kokesh’s home in Herndon, Va., in search of a weapon.

On July 4th, the 31-year-old activist uploaded a video to YouTube of him loading a shotgun. Possessing a loaded weapon is a violation of the District’s strict gun laws.

Read more at slate.com.