http://fr.china-embassy.gov.cn/fra/zfzj/202311/t20231122_11185420.htm

https://www.leberry.fr/bourges-18000/actualites/un-etudiant-chinois-place-en-centre-de-retention-apres-des-soupcons-d-apologie-du-terrorisme-dans-le-cher_14404695/

The graffiti was "Stop the Genocide against Palestinians" and "Down with Zionism".