<p class="title">The National Investigation Agency has arrested a self-styled sergeant major of NSCN-IM group in connection with the killing of Arunachal Pradesh MLA Tirong Aboh in May this year, an official spokesman said on Monday.</p>.<p class="bodytext">The 37-year-old Ellie Ketok was arrested on Sunday from Nagaland's Dimapur by a joint team of the terror probe agency and the Army, the spokesman said.</p>.<p class="bodytext">He said the accused was a part of killing team, and actually fired on Aboh and others on May 21 this year.</p>.<p class="bodytext">The NIA has earlier arrested five persons -- Sethok Kangnong, Napong Jenpi alias Jenpi, Jai Kishan Sharma, Luckin Mashangva and Yangte Josaham -- in this case.</p>.<p class="bodytext">The Arunachal Pradesh government had decided to handover the killing of Aboh, an MLA from Khonsa West, and nine others by suspected NSCN-IM militants to the NIA.</p>.<p class="bodytext">Nationalist Peoples' Party (NPP) MLA Aboh, his son and nine others were killed when suspected NSCN-IM militants opened fire at their vehicles near 12 Mile area in Tirap district on May 21.</p>.<p class="bodytext">The MLA along with his relatives was on his way to Khonsa from Dibrugarh in Assam when the attack happened.</p>.<p class="bodytext">The National Socialist Council of Nagaland (NSCN-IM) is in ceasefire with the Centre since 1997 and negotiations are on to resolve the decades-old Naga political problem.</p>.<p class="bodytext">A framework agreement was signed between the Centre and the NSCN (IM) in August 2015.</p>
<p class="title">The National Investigation Agency has arrested a self-styled sergeant major of NSCN-IM group in connection with the killing of Arunachal Pradesh MLA Tirong Aboh in May this year, an official spokesman said on Monday.</p>.<p class="bodytext">The 37-year-old Ellie Ketok was arrested on Sunday from Nagaland's Dimapur by a joint team of the terror probe agency and the Army, the spokesman said.</p>.<p class="bodytext">He said the accused was a part of killing team, and actually fired on Aboh and others on May 21 this year.</p>.<p class="bodytext">The NIA has earlier arrested five persons -- Sethok Kangnong, Napong Jenpi alias Jenpi, Jai Kishan Sharma, Luckin Mashangva and Yangte Josaham -- in this case.</p>.<p class="bodytext">The Arunachal Pradesh government had decided to handover the killing of Aboh, an MLA from Khonsa West, and nine others by suspected NSCN-IM militants to the NIA.</p>.<p class="bodytext">Nationalist Peoples' Party (NPP) MLA Aboh, his son and nine others were killed when suspected NSCN-IM militants opened fire at their vehicles near 12 Mile area in Tirap district on May 21.</p>.<p class="bodytext">The MLA along with his relatives was on his way to Khonsa from Dibrugarh in Assam when the attack happened.</p>.<p class="bodytext">The National Socialist Council of Nagaland (NSCN-IM) is in ceasefire with the Centre since 1997 and negotiations are on to resolve the decades-old Naga political problem.</p>.<p class="bodytext">A framework agreement was signed between the Centre and the NSCN (IM) in August 2015.</p>