3 Pacific Northwest bridges listed in transportation vulnerability report Oregon Public Broadcasting

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.

Federal officers deployed clouds of tear gas and other crowd control munitions, including flash-bang grenades, on Saturday afternoon outside the U.S. Immigration and Customs Enforcement building in Portland on demonstrators.

Chants and bucket drumming rang in the air during an afternoon demonstration that was raucous but largely free of confrontation.