Barasat (WB), Feb 1 (PTI) One teenage girl died and another teenage boy was seriously injured when they allegedly jumped from the top of a four-storey building at Sajirhat in North 24-Parganas district. The police said the girl, Dipsikha Dawn, died on the spot and the boy Sudipto Chaki suffered serious injury after jumping from the building where they stay. They were students of class VIII in an English-medium school at Mahdyamgram. They left suicide notes which the police have been examining, sources said. Chaki was admitted to a local hospital.