TALLINN — A 15-year-old student shot and killed his teacher during class Monday in a town in southern Estonia — the first known school shooting in the Baltic nation. Four other students were in the classroom at Paalalinna School in the town of Viljandi, police spokeswoman Tuuli Harson said. She said the shooter was apprehended and no one else was injured in the early-afternoon attack at the school of 450 students. Government officials said the victim was a... (GunPolicy.org)