Demonstrators throw Molotov cocktails and rocks at an institute of technology during a nationwide demonstration in Santiago, Chile, Wednesday, June 26, 2013. (AP Photo/Luis Hidalgo, File)

Photo by: Luis Hidalgo

Demonstrators throw Molotov cocktails and rocks at an institute of technology during a nationwide demonstration in Santiago, Chile, Wednesday, June 26, 2013. (AP Photo/Luis Hidalgo, File)