Class XII, was shot dead this morning allegedly by a boy in her house in south Delhi, police said.
A senior police official said a boy entered the house in Budh Vihar in Munirka area, closed the girl's room and pumped bullets into her chest.
The victim has been identified as Pinki (18), a student of government school in RK Puram Sector 5.
"Her aunt was present in the house when the incident took place. After shooting her, the boy whose identity is yet to be ascertained, fled from the scene," the official said.
Pinki was rushed to Safdarjung Hospital where she was declared brought dead.