US agents arrest 18 this week in clash with Portland protesters

PORTLAND, Ore. (AP) — U.S. agents have arrested 18 people in Portland this week as the clash with protesters opposing federal intervention in the progressive city turned chaotic for another night.U.S. Attorney Billy Williams said Friday that the charges include assaulting federal officers, arson and damaging federal property. The number of arrests doesn't include those made early Friday, when federal agents again used tear gas against demonstrators to prevent them from crowding around a U.