ST. PETERSBURG, Fla. — A Florida man with homemade explosive devices was arrested early Friday near a Tampa Bay area rally in support of a man being held in connection with last year’s insurrection at the U.S. Capitol, authorities said.

Garrett James Smith, 22, of Oldsmar, was arrested and charged with making and possessing a destructive device and loitering, Pinellas County Sheriff Bob Gualtieri said during a news conference.

To mark the anniversary of the Jan. 6 attack on the U.S. Capitol, the rally was held Thursday night outside the Pinellas County Jail was in support of Jeremy Brown, a member of the rightwing Oath Keepers group. He was being held on charges of participating in the riot.