The incident took place last night at Mohammad Beni Chowdhury area when the 17-year-old girl resisted the harassment by three youths - Munna, Adnan and Amar, after which they poured kerosene on her and set her on fire, police said.
The girl was rushed to a local hospital where her condition is stated to be stable, they said, adding that no arrest has been made so far in the incident.
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