Prison officers block jails in France after blade attack by convict

Riot police officers stand guard outside the Fresnes prison during a demonstration about long-running complaints by penitentiary staff, in Fresnes, outside Paris, Tuesday Jan.16, 2018. Penitentiary staff blocked several prisons in France after the report of a knife wielding inmate attacking people at a high-security prison in northern France. [Photo AP/Thibault Camus]