Prison guards ' strikePenitentiary staff take part in a national day of strike , blocking off access at the entrance of the prison in Fleury - Merogis , south of Paris , France , 22 January 2018 . Labor unions called for a national movement following several attacks on guards in French prisons . EPA / YOAN VALAT ▶ 기사 제보 및 문의 ▶ 기자 와 1 : 1 채팅    ▶ 평창동 계 올림픽 영상 공모전