PLEASE NOTE: CONTAINS GRAPHIC MATERIAL<br/> A student lies dead in the road, a casualty of what began as a protest against the closure of classes at a rural school in Mexico.<br/> This young man was one of two students killed when police moved in on protesters blocking a busy highway.<br/> The events that led to their deaths are not yet clear.<br/> Local media reports said protesters had been trying to set fire to a filling station in the city of Chilpancingo.<br/> They are said to have hurled rocks and petrol bombs at police as they arrived on the scene.<br/> Armed officers reportedly fired into the air.<br/> Local teachers' leader Jorge Garcia wants justice.<br/> SOUNDBITE: Jorge Garcia, leader of teachers' organisation in Guerrero, saying (Spanish):<br/> "It's very clear that the common enemy are all the repressive governments and we cannot permit this. I have a son in the school at Ayotzinapa and I don't like to see this kind of situation. We're worried and I hope that those responsible are punished with all the weight of the law."<br/> Some media reports say Mexico's Human Rights Commission is investigating the deaths, and complaints of excessive force.<br/> Paul Chapman, Reuters
