Police sources said that over 3000 people gathered at the community hall in Kakopathar to hear the pro-talks ULFA leaders Mrinal Hazarika, Jiten Dutta and Joon Sonowal who have been on a mission to mobilise public opinion in favour of unconditional peace talks between the ULFA leadership and the Indian government to restore peace in Assam.
The injured include six members of the family owning the hardware shop.
The outfit's vice-chairman Pradip Gogoi said that the outfit had already announced that it would boycott the polls and maintain a neutral stand.
Suspected United Liberation Front of Asom militants shot dead two persons including a school teacher in two separate incidents in Kakopathar area in Upper Assam's Tinsukia district on Thursday night.
The bodies were dug out from the grave at Haskati Kung Seng village under Kakopathar police station on Tuesday after the villagers reported presence of human body parts, police said.
Jagat had joined the militant organisation in 1999 and was involved in several extremist operations in Upper Assam, besides receiving training as a paramedic.
Police informed that two businessmen identified as Pradip Kumar Paswan and Sambhu Choudhury, and Constable of 2nd Assam Police Battalion Prabin Tejiwal were travelling in a truck from Tangna Bazar to Doom Dooma when they came under fire from ULFA.
The pro-talks faction of the banned United Liberation Front of Asom faces public ire over the killings of five youths from Kakopathar area in Tinsukia districts early this year and whose bodies were dug out from a pit inside a jungle in the area recently.
The PCG has protested against the Kakopathar police firing that left nine dead.
Goswami said ULFA Commander-in-Chief Paresh Barua seemed positive about the outcome of the just held PCG-government meeting but was 'terribly agitated' when she spoke to him over phone on Saturday.
The mob was protesting against the death of suspected ULFA linkman Ajit Mahanta allegedly in army custody on Sunday.
The incident has come just when there were reports of cooling off of violent clashes between local Assamese and Bihari migrants.