A masked person dragged a 30-year-old teacher out of a Sikrauna, Faridabad, Haryana private school and fatally stabbed her to death on Monday. The teacher was stabbed at least 18 to 20 times in the neck and chest in quick succession. He came in through the main door of the school from 9.30 to 9.40 in the morning and waited there for a while for the teacher. The attacker dragged the teacher and tried to bring her out of the building. As co-workers hurried the teacher to the Al-Falah Medical College and Hospital where doctors declared her dead.