Federal officers clad in tactical gear deployed smoke, tear gas, flash grenades and other projectiles as the restive crowd of demonstrators hurled water bottles and fireworks.

Three men from Oregon are facing federal charges in connection with two separate incidents involving violence or property damage during or near protest activity in Eugene and South Portland, according to the U.S. Department of Justice. Gresham man accused of striking officer with stake during South Portland riot

Tense demonstrations outside the U.S. Immigration and Customs Enforcement building in Portland were declared a riot Saturday as federal officers once again faced off with protesters.