Protest in Chile

There was a student protest in Santiago, Chile on Thursday. The reason of the protest was unclear, but police used tear gas on the students and detained 159. The date is "The Day of the Young Combatant" which pays tribute to two brothers who died in 1985 during a demonstration against Pinochet's regime. For this article, go to http://www.cnn.com/2007/WORLD/americas/03/29/chile.protest.ap/index.html.