At least 12 arrested as protests move to downtown, I-5 entrance Jeremy Pawloski The Olympian OLYMPIA -- At least 12 people have been arrested today as protests of military-cargo shipments from the Port of Olympia moved to downtown and the Plum Street entrance to Interstate 5. About 12:15 p.m., Olympia police arrested at least three people at Fourth Avenue and Plum Street. About 12:20 p.m., protesters gathered at the I-5 entrance in a failed attempt to block convoys. Police arrested at least nine people there.Protesters on foot blocked traffic at Fourth and Plum about noon by jumping in front...