PORTLAND, Ore. (AP) — Law enforcement in Portland Friday night declared a riot as about 200 demonstrators protested the acquittal of a teen who killed two people and injured another in Wisconsin.

The Multnomah County Sheriff's Office said the protesters were breaking windows, throwing objects at police and talking about burning down a local government building in downtown Portland, KOIN TV reported, but the crowd had dispersed by about 11 p.m. Several people were given citations, the Portland Police Bureau said, but only one person who had an outstanding warrant from another matter was arreste...