ROUGH CUT (NO REPORTER NARRATION)<br/> <br />STORY: Clashes erupted on Thursday between student demonstrators and police in the Chilean capital of Santiago.<br/> <br />Several arrests were made, and police used a water cannon in efforts to disperse the crowds.<br/> <br />Some protesters hurled rocks at police and police vehicles, while others scrambled to avoid the violence.<br/> <br />Frustrated at President Sebastian's Pinera's government's failure to deliver what they consider to be an adequate response to their demands, Chile's students have led regular protests calling for wide-ranging education reforms.<br/> <br />Thursday marked the first large-scale student demonstration in the South American nation for the 2013 year.<br/> <br />Tuition costs in Chile are among the highest in the world and students claim the government has increasingly skirted their demands for accessible education.