Staff Reporter :Three siblings were stabbed in an attack by some unidentified miscreants in capital’s North Shahjahanpur area early Monday.The injured sisters were identified as Nahid Akter , 30, Roji Akter, 27, and Poly Akter, 25. They were admitted to Dhaka Medical College and Hospital instantly.The injured said, a gang of miscreants entered the second floor of the six storied building after cutting the window grills of the kitchen room early in the morning.When one of the three sisters noticed them and tried to resist the entrance, they attacked her. Hearing her hue and cry for help, her two sisters came out and then the assailants also stabbed two other sisters.Of the injured, Poly, 24, is still undergoing treatment at the hospital while Nahid and Rosy were released after giving primary treatment, said DMCH police outpost in-charge Muzammel Haque.