Police on Thursday registered a case of murder in connection with the deaths of two teenage girls whose bodies were found in a field here even as a post-mortem revealed no injury marks. A third girl, who is on ventilator support at a Kanpur hospital, is being treated for suspected poisoning. Replying to a question on the cremation of the two girls, Superintendent of Police, Unnao, Anand Kulkarni told PTI: Cremation will be held tomorrow (Friday) morning. Our work is to maintain law and order. There is no pressure from us. They said they will cremate tomorrow as some of their relatives are coming. It s there decision, we are not creating pressure on them.