My friend's been shot... the teacher's been shot': Terror at Californian high school as gunman shoots two

• School shooting near Bakersfield, California when student shoots two others around 9am Thursday morning
• One had to be airlifted to a local hospital and the victim had less serious injuries, refusing medical treatment at the scene
• Shooter believed to be student at Taft Union High School, used a shotgun
• Students called parents when shooting happened
• One girl called her mother after calling 911: 'My friend's been shot, my teacher's been shot- I don't know what to do!'