Correctional Service Canada says an unnamed inmate has been injured in what it's calling a major assault at the Port-Cartier Institution located on Quebec's north shore. Patches are seen on the arm and shoulder of a corrections officer in the segregation unit at the Fraser Valley Institution for Women during a media tour, in Abbotsford, B.C., on Thursday, Oct. 26, 2017. THE CANADIAN PRESS/Darryl Dyck