On April 9, 2017, at approximately 7:30 p.m., Oregon State Penitentiary staff responded to an inmate fight located in a recreation area of the institution. Staff administered chemical spray to control the situation. Multiple inmates have been escorted to disciplinary segregation. Approximately 20 inmates were involved in the altercation. The Penitentiary has been placed on lockdown. All activities and visiting have been canceled until further notice. No major injuries of staff or inmates were reported. The incident is currently under investigation.