RIO DE JANEIRO, BRAZIL - A video posted on social networks shows the man wearing the white tunic and mask characteristic of the Ku Klux Klan.
The recording, which lasts only a few seconds, shows the teacher walking among the students wearing the Ku Klux Klan costume.
The teacher is the only person in costume out of all the people seen during the video, so it is ruled out that the outfit is part of a school event.
The Ku Klux Klan is a racist, anti-Semitic and anti-communist movement, which united reactionary groups under the banner of "white supremacy . . .