▁road ▁from ▁the ▁town ▁of ▁C ien egu illas ▁to ▁the ▁prison ▁was ▁closed , ▁and ▁access ▁to ▁the ▁town ▁from ▁outside ▁was ▁also ▁blocked . ▁The ▁Public ▁Security ▁Minister ▁announced ▁that ▁ 3 1 ▁December ▁ri ot ▁took ▁place ▁between ▁members ▁of ▁the ▁G ulf ▁Cart el ▁and ▁S inal oa ▁Cart el . ▁The ▁Security ▁Minister ▁for ▁Z ac ate cas ▁attended ▁to ▁the ▁prison ▁in ▁person ▁after ▁the ▁second ▁ri ot . ▁After ▁the ▁second ▁ri ot , ▁a ▁total ▁of ▁ 1 6 5 ▁in m ates ▁were ▁transferred ▁to ▁Gu an aju ato . ▁ ▁Eli an ▁P elt ier ▁of ▁The ▁New ▁York ▁Times ▁said ▁that ▁it ▁was ▁" one ▁of ▁the ▁worst ▁out break s ▁of ▁violence ▁in ▁the ▁country ' s ▁trouble d ▁pen al ▁system ▁for ▁years ". ▁The ▁director ▁of ▁the ▁prison , ▁Antonio ▁Sol ís , ▁was ▁fired ▁on ▁ 3 ▁January , ▁with ▁former ▁brig ad ier ▁general ▁Ig na cio ▁López ▁Fl ores ▁being ▁made ▁director ▁on ▁ 8 ▁January . ▁ ▁References ▁▁ ▁Category : 2 0 1 9 ▁mur ders ▁in ▁Mexico ▁Category : 2 0 1 9 ▁ri ots ▁Category : 2 0 2 0 ▁in ▁Mexico ▁Category : 2 0 2 0 ▁mur ders ▁in ▁North ▁America ▁▁ ▁Category : 2 1 st - century ▁mass ▁murder ▁in ▁Mexico ▁ ▁Category : Dec ember ▁ 2 0 1 9 ▁cr imes ▁Category : Dec ember ▁ 2 0 1 9 ▁events ▁in ▁Mexico ▁Category : History