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.
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