One person was killed and five others were injured when National Socialist Council of Nagaland- Issac and Muivah (NSCN-IM) cadres allegedly fired at a group of people Saturday who were taking out a protest march towards the outfit's designated camp in Zunheboto district of the northeast Indian state of Nagaland, around 1700 km from here. The protest march was taken out after an alleged rape and molestation attempt of two Sumi tribe women by four NSCN-IM cadres Dec 21.