GV of Heathfield School in Somerset. See SWNS story SWSTAB; A 14-YEAR-OLD schoolboy has been arrested after allegedly threatening to carry out a massacre, by stabbing his classmates and raping a teacher. The Heathfield School pupil is alleged to have made the threats in person and on a post on Facebook, and police say they arrested the boy following an inquiry into allegations he made. Police are believed to have spoken to those named on the list , after the boy allegedly said he would carry out the attack this Friday. The school has moved to reassure frightened parents, some of whom have pulled their children out of school this week.