[3] The riot was a fight among several rival gangs, the "Barrio Azteca", "Los Mexicles" and "Artistas Asesinos" (AA).
[4][5] The riots began at roughly 7 AM local time (2 PM UTC), and lasted for about two hours.
[5] The prisoners forced their way into an area where members of the Mexicles and AA were meeting with family and friends during conjugal visits, and attacked them.
[8] At least 50 members of the Mexican Army and 200 police were deployed to end the riots.
[2] Earlier in the day, 1,500 troops began entering the city in an effort to reduce drug-and-gang-related violence, which, over the last year, took the lives of 2,000 people in Ciudad Juárez.