Mexico's street art tells stories of grief, anger and resistance

Mexican artists are showcasing their political street art at a show in London. Photograph: Global Justice Now Nine years ago, as its streets filled with flames, anger and water cannon, the walls of Oaxaca began to speak. Stencilled commentaries – here a defiant fist clutching a pencil here, there a hooded figure lobbing a Molotov cocktail or, more subversively, a book – appeared on buildings in the southern Mexican city as popular fury exploded over the state governor’s h…