An 18-year-old gunman opened fire at a school in Finland killing a headteacher Wednesday, in a shooting that appeared to have been planned out in graphic videos posted on Internet sharing site YouTube. art.sturmgeist.youtube.jpg http://edition.cnn.com/2007/WORLD/europe/11/07/school.shooting/index.html An image from a video posted on YouTube by "Sturmgeist89." The incident, believed to be the first of its kind in Finland's history, was claimed to be the work of Pekka-Eric Auvinen, who has also published a manifesto demanding war on the "weak-minded masses" and pledging to die for his cause. YouTube suspended the videos, many of them featuring Nazi imagery, shortly after police in the town of Tuusula, near Helsinki, were reported to have apprehended the gunman. One video posted by a user identified as "Sturmgeist89" earlier Wednesday was was titled "Jokela High School Massacre - 11/7/2007 This nutter headcase is killing in Helsinki, Finland today At least 7 dead so far