Chile: Student protest ends in violence

W/S Hooded protesters start to beat up fellow demonstrator, tear gas canister set off, Valparaiso
W/S Demonstrators shaking down barriers
W/S Protesters throw flammable liquid onto burning rubbish bin next to knocked-over barricades
W/S Riot police and riot van advance towards protesters
W/S Water cannon fired at protesters in park
W/S Riot police and riot van chase protesters through park
W/S Water cannon fired at protesters in park
W/S Protesters running with banners and flags
W/S Protesters marching with banners and flags
W/S Protesters chanting and marching with banners and flags
M/S Protesters in costume dancing
W/S Protesters in costume swing from window bars
M/S Protesters in costume dancing
SCRIPT
A student demonstration in Chile's port city Valparaiso took a violent turn on Thursday.
A group of hooded protesters knocked down barriers and set a rubbish bin on fire before fighting among themselves. Riot police then chased the band through a nearby park, deploying water cannon and riot vans.
The demonstration had passed off peacefully up to this point, with university and school students waving banners and chanting songs.
Protest organisers are calling for a change to the education model, namely a debt-free and non-sexist education.