Curfew set from 8 p.m. to 6 a.m. until further notice.
Violence spreads to other areas.
Officer shot in chest, not seriously hurt . At least 82 people arrested on Wednesday. National Guard troops could get called. The curfew is effective from 8 p.m. to 6 a.m. Thursday night, Cincinnati Mayor Charles Luken said Thursday morning. The violence must stop and the violence will stop.