Expressing hope that all Afghan leaders will work together in the supreme national interest of their country, he asserted that Pakistan will continue to play a constructive and facilitative role.
Sources from an intelligence agency said the infighting took place near a camp of rebel group National Socialist Council of Nagaland (Khaplang-Yung Aung) in the Sagaing region.
The militants are pushing across Afghanistan, snapping up territory, seizing border crossings and encircling cities, with the withdrawal of US and NATO troops all but complete.
The slain leaders had reportedly ordered an inquiry into this financial irregularities leading to their killings, the officials said.
In December last year, the NSCN-K, led by dreaded militant Niki Sumi, had announced a ceasefire and said that the outfit has contacted the central government for initiating peace dialogue.
Nagaland Health and Family Welfare Minister Imkong Imchen on Tuesday said he supported the demand of various Naga pressure groups to defer the upcoming assembly elections.
All of them were allegedly involved in carrying out improvised explosive device (IED) blasts targeting the security forces and firing on police teams in Bhejji and Maraiguda areas of Sukma.
Amid buzz in Nagaland and parts of the Northeast that a settlement to the vexed Naga political problem, vis-à-vis Naga insurgency issue, is afoot, there is a demand now to defer Nagaland elections.