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More than 200 young people in Mexico City clashed with police after not being allowed into a concert on Sunday.
The incident began when hundreds of concert-goers were unable to fit inside a venue for a reggaeton concert.
Police handout video shows a mass of people crowding into a subway station.
Police say the mob damaged street lights and subway turnstiles and attacked people on the street.
176 of the detainees were under the age of 18.
State media said police have released at least 91 from custody.
