We have heard so many news which are similar to this riot. To solve or mitigate the bad influence, Chain Link Fence is a good choice. You could make it along with other security products, such as razor ribbon, barbed wire, CCTV or other detection equipment to enhance security. The forms of chain-link fence could definitely divide those people into several parts,so it will not cause such large violence and then it is possible to mitigate the damage.
Surface treatment: electro-galvanized - hook flower net, hot-dip galvanizing - hook flower net, plastic coated hook flower net (pvc, pe plastic),
Dip plastic chain flower net, spray hook flower net.