translated from Spanish:

people suspended work at 25 campuses of the UNAM hooded conducted disturbances in the interior of the College of Sciences and Humanities (CCH) Azcapotzalco.
Young people with covered faces blocked for approximately 40 minutes the Aquiles Serdan Avenue, outside of the school, with trash and burned papers.
The attackers throw rocks and bottles toward the campus and not allow anyone to enter the school.
The reasons for the disturbances is unknown so far.

06:49 #PrecauciónVial continues closed circulation in Av. #AquilesSerdán at the height of Victor Hernández Covarrubias, col. Tierra Nueva #AlternativaVial Calz. Weapons and Calz. San Isidro.
-OVIAL_SSPCDMX (@OVIALCDMX) October 2, 2018 today, to commemorate the 50th anniversary of the Tlatelolco massacre, students of at least 25 campuses of the UNAM, high, College of Sciences and Humanities (CCH), faculties and national schools, agreed perform a work stoppage.
Among the campuses that they decided to suspend work are the high 2, 6 and 9, the CCH Oriente, Sur and Vallejo, as well as the Faculty of higher studies (FES) Aragón Acatlán, Cuautitlán, Iztacala.
In addition the faculties of philosophy, political science, architecture, chemistry, economy, science, music, dentistry, psychology, arts and design, Social work and veterinary.
The National School of painting, sculpture and engraving, as well as the National School of languages, Linguistics and translation and the ENES-Morelia were joined claim movement.
In some specific cases, such as the of the FES Acatlan, was determined following an internal Assembly closing campus for 72 hours, from 20:00 Monday until October 4.
While in political science, as they had decided on September 10, from 21:00 hours yesterday they closed its premises, same that will open until October 3.
With data of reformation

Original source in Spanish