A firefighter works at the site where a rapid transit system bus the "Metrobus" was burned, near the National Autonomous University of Mexico (UNAM, for its acronym in Spanish), in Mexico City, capital of Mexico, on Nov. 5, 2014. The bus was burned by a group of hooded people who detained the bus and allowed the descent of passengers and then burn it and throw molotov bombs to the Ciudad Universitaria Station, according to local press. (Xinhua/Bernardo Maldonado)