In the United States, a 12-year old student killed a teacher and injured two classmates before killing himself in a middle school in the southwestern state of Nevada today. The shooting took place in Sparks, Nevada, bordering California. The two injured students are said to be a stable condition. One was shot in the shoulder, the other in the abdomen. The 45-year old teacher died while trying to protect his students. The shooting is the latest in a string of deadly gun incidents across the United States.