Tens of thousands have taken to the streets of Mexico City to mark the one-year anniversary of the disappearance of 43 students.<br /><br /> Marchers demanded justice for the students and the thousands of others who have gone missing since Mexico’s drug wars started in 2006. <br /><br /> 43 students missing in Mexico will NOT be forgotten: http://t.co/PaPatfiO7I #Ayotzinapa pic.twitter.com/EwFneuf2Dm— AmnestyInternational (@AmnestyOnline) September 27, 2015<br /><br /> A call for justice on the streets of Mexico City for “more than” 43 missing: http://t.co/zwYa6fFwL6 pic.twitter.com/Z02j5frzAw— VICE News (@vicenews) September 28, 2015<br /><br /> The students went missing after a confrontation with police in Iguala in the southern state of Guerrero.