Suspected NSCN militants on Tuesday gunned down sitting MLA and NPP assembly poll candidate Tirong Aboh and ten others, including his son and security personnel, in Tirap district of Arunachal Pradesh, a police officer said.

Director General of Police S B K Singh put the death toll at 11. Aboh, 41, was on his way to his constituency from Assam, along with family members, three police personnel and a poll agent, when the suspected NSCN rebels opened fire at their vehicles near 12 Mile area in the district at around 11.30 am, Singh told PTI.