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JACKSON, Tenn. — Several parents are upset after high school students in Tennessee were shown a “torture porn” movie that has been banned in some countries.

The Jackson Sun reported that students at Jackson Cetral-Merry High School in Jackson, Tenn. were recently shown “Human Centipede 2”

The school has not said why the students were shown the movie, but said the teacher who showed it to them has been suspended.

“The matter has been addressed,” said Superintendent Verna Ruffin, according to the paper. “It’s inappropriate and unacceptable.”

“Human Centipede 2” was released in 2011 and has been banned in the United Kingdom, Australia and New Zealand. It revolves around a group of people who are sewn together in a disgusting way.

The movie was so grotesque that the British Board of Film Classification initially refused to give it a classification, preventing it from entering U.K. theaters, according to Entertainment Weekly.

The movie’s director, Tom Six, tweeted that he supports the teacher for showing it and that it should be mandatory viewing for school classes.

It should be mandatory to watch THC2 in school classes. It deals with a character that is bullied and what to do!https://t.co/hT3tGJu1qZ — Tom Six (@tom_six) April 28, 2016

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