[VIDEO] Brazilian teachers protest violently attacked by police - 200 injured

More than 200 people are reported to have been injured as a teachers protest was violently attacked by special force police in the Brazilian city of Curitiba. The activists of the Esquerda Marxista [Marxist Left], the Brazilian section of the IMT, were present on the front line of the demonstration. Besides tear gas, which was thrown from police helicopters, the Police attacked the crowds with thousands of rubber bullets, pepper gas, water canons and attack dogs. At the same time 17 police officers, from the special forces refused to intervene against the protesters. Below we publish videos of the scenes: