CALCUTTA, August 20: The killing of the general secretary of the Khaplang faction of the National Socialist Council of Nagaland, Dali Mungro, yesterday is a major blow to both peace in the state and the moves for unity among different rebel groups. The stronger group -NSCN(Isak-Muivah)- has openly claimed responsibility for the killing of Mungro and two of his comrades at Jotsoma village, about 8 km from the capital town of Kohima, Today, an NSCN(IM) leader, however, said over the phone from Dimapur that "the order was to capture him (Mungro) alive but he was shot when he tried to escape."...