Two teenaged sisters were raped by three youths living in the neighbourhood in Jharkhand's Palamau district, police said on Wednesday.The two sisters were studying in Chattarpur High School of Palamau district and were living in a rented house situated in front of the school.On Tuesday night, three youths living in the area intercepted the sisters and took them forcefully to a nearby house and raped them. The youth were in an inebriated condition. They also filmed the rape and asked the girls not to report the incident otherwise their video will be made public, police said. The condition of one girl worsened after the gang rape and she has been admitted in a local hospital. The other sister has identified two youths and revealed their names to police. No one has been arrested.