The Sea Beach police here detained three youths for allegedly blackmailing a girl after shooting her nude pictures in a hotel room. The police did not reveal their names as the case was under investigation. It was learnt that one of these three youths lured the girl on the pretext of love to a hotel room where she was drugged and her nude photos were taken by the youths. later they were threatening her. All the three accused and the girl belong to different localities Puri town.