Tensions were already high on the Pine Ridge Indian Reservation in South Dakota when activists from the American Indian Movement took over the town of Wounded Knee 50 years ago on Monday.

Portland has seen nightly protests for more than two months since the police killing of George Floyd in Minneapolis. The protest bans, first reported by ProPublica, were imposed in at least a dozen cases most of them involving misdemeanor charges of failing to obey a lawful order. It's really broad and it's hitting at something that is constitutionally protected.In at least some of the cases, the protest bans were added by U.S. Magistrate Judge John Acosta. She was charged with misdemeanor assault on a federal officer early Monday after joining the Portland protests on her way to her father's home in California. ____Associated Press writers Colleen Slevin in Denver; Andrew Selsky in Salem, Oregon, and Gillian Flaccus in Portland, Oregon, contributed.