epa10868680 Students demonstrate in front of a military barracks to demand justice for the 43 missing normal students from Ayotzinapa, in Iguala, state of Guerrero, Mexico 18 September 2023. Soldiers from the 27th Infantry Battalion in the city of Iguala, in the Mexican state of Guerrero, in the south of the country, dispersed with tear gas, the parents of the 43 students who disappeared from Ayotzinapa in 2014 and their companions from demonstrating outside of military installations this 18 September. EPA-EFE/José Luis de la Cruz