US Crime NewsExplosive Device Blows Up at Front Door of US Courthouse During RiotsSaveMark Us Preferred on GooglePrintA rioter throws a flaming item at the Mark O. Hatfield U.S. Courthouse in Portland, Ore., on July 22, 2020. Nathan Howard/Getty ImagesZachary StieberSenior Reporter7/28/2020|Updated: 7/28/2020A rioter threw an explosive device at a federal courthouse in Portland early July 28, causing a detonation that could be felt more than a block away.Rioting in Portland has continued on a nightly basis since late May, with support from city and state officials.We had a problem loading this article. Please enable javascript or use a different browser. If the issue persists, please visit our help center.