The insurgents are believed to be from the Meitei community, the officials said.
An abandoned house in Lalpani village was torched by armed men on Friday night, they said.
Following the violence, the authorities clamped curfew for 24 hours in the area and reduced the curfew relaxation hours in several other districts.
It said all necessary security arrangements would be made to ensure the security of people attending the Shirui festival.
Thirteen bullet-riddled bodies were recovered in Leithu, Manipur, 100 kilometres from their homes. According to officials, the men were aged between 17 and 47.
The autopsy reports of three of the six persons killed in Manipur's Jiribam district by suspected Kuki militants revealed multiple bullet injuries and lacerations on various parts of their bodies, officials said on Sunday.
A large number of arms and ammunition of the police have allegedly been looted by the rioters during the violence.
Security personnel have been put on alert, and additional measures taken to prevent any incident following the viral of photos of the students, a senior officer said.
Manipur Chief Minister N Biren Singh on Thursday said the state government is working towards peace talks and has held several meetings in Assam's Silchar.
The situation remained calm but tense in Manipur's Imphal Valley, where an indefinite curfew has been imposed and internet services suspended following violent protests after the discovery of the bodies of six persons, three women and children each, allegedly abducted and killed by militants in Jiribam.
A leading Kuki-Zo organisation in Manipur has demanded a judicial probe into the killing of 10 youths in a gunfight with the CRPF, raising questions about the paramilitary force's neutrality. The Indigenous Tribal Leaders' Forum (ITLF) also reiterated its demand for a separate administration for the Kuki-Zo community in the state, where ethnic violence between Kuki tribals and Meiteis has claimed over 250 lives since May last year. The ITLF claimed the post-mortem reports showed the youths were shot from the back, suggesting they were not engaged in a gunfight when they were killed. The organisation further alleged that CRPF personnel stationed nearby refused to intervene during an attack on Zairawn village, where a woman was killed. The ITLF has called for a political solution to the ongoing conflict, urging the Union Home Minister to consider a separate administration for the Kuki-Zo people.
'If inner line permit was in place in Meghalaya, the details of the three people who allegedly murdered Raja would have been on record.'
The incident occurred at Ningthoukhong Kha Khunou and the victims included a man and his 60-year-old father.
Unidentified armed men abducted Sepoy Kom, who was on leave, from his home around 10am on Saturday.
A bench of Justices JB Pardiwala and Ujjal Bhuyan made some strong observations against the state while hearing a plea filed by Lunkhongam Haokip that he was suffering from piles and tuberculosis and was not taken to hospital by jail officials despite having severe backache.
The National Human Rights Commission (NHRC) on Friday said it has asked Manipur government to pay Rs 10 lakh compensation each within four weeks to the next of kin of all the people who died in ethnic clashes since May.
A team of Central Bureau of Investigation (CBI) officials, led by the agency's Special Director Ajay Bhatnagar, will reach Imphal in a special flight on Wednesday to investigate the 'kidnapping and killing' of two students who went missing in the northeastern state on July 6, sources said.
He emphasised the need to get over with election rhetoric and focus on problems facing the nation.
ESU coach Ngampao Kipgen, a member of the Kuki tribe, told Reuters he was forced to flee to the hills with his family after his house was burned down.
The labourers, who are said to be of Nepali origin, were engaged in the construction of a hotel.
The injured have been air evacuated to Mantripukhri and search operations are in progress, the Army's SpearCorps headquartered in Dimapur said on Twitter.
'We are holding up in this difficult time and hope to bring her home on Thursday morning.'
'I don't know whether on voting day there will be intimidation from some militant groups to vote for a particular person and then force them from voting for another in the stronghold of the candidate which does not favour them, or, force them not to come out for voting.' 'Anything is possible.'
The Supreme Court on Monday directed the Manipur government, the Central Bureau of Investigation (CBI) and the National Investigation Agency (NIA) to file reports elaborating on the status of probe and the charge sheets filed in cases of ethnic-violence to help it take a decision on whether the trials can commence in Assam or be undertaken in Manipur.
The injured personnel, who are undergoing treatment, are reported to be in "stable condition", the officer said.
Unidentified "rioters" opened "unprovoked" fire at village Haraothel in Kangpokpi district of Manipur on Thursday morning, leading to tension in the area even as the army quoted "unconfirmed reports" to indicate some casualties.
Singh said concerned with increasing deforestation and setting up of new villages by illegal immigrants, a Cabinet sub-committee was formed in February 2023 after a cabinet meeting attended by two Kuki ministers Letpao Haokip and Nemcha Kipgen.
The Supreme Court on Friday said it cannot go by sentiments and has to act in accordance with law, as it refused to entertain a petition seeking contempt action for alleged non-compliance with the apex court's order on protection of properties of people displaced during the Manipur violence.
The Kukis have already declared that they are not fielding any candidate in the parliamentary polls as an act of boycott.
A commando contingent of the Manipur police has been airlifted to Jiribam on Saturday morning from Imphal to assist in the security operations against the militants, police said.
'There is a list with the Ministry of Home Affairs that has the details and names of the terrorist organisations that attack the Indian Army.'
In violence-hit Manipur, the general buzz associated with elections and the related paraphernalia of posters, banners and rallies are missing but it is the presence of these brown boxes with pictures of guns that is symbolic of the strife-ridden society struggling to return to normalcy.
Just a day after an agreement was signed between Hmar and Meitei representatives to restore peace in ethnic violence-hit Jiribam district of Manipur, the apex body of the Hmar community said that the pact stood 'null and void'.
At least three BSF personnel sustained bullet injuries after gunmen fired at security forces in Manipur's Thoubal district, police said on Thursday.
The gunfight broke out in Phoubakchao Ikhai area, around 50 km from state capital Imphal, on Thursday morning and continued for around 15 hours till late at night, when the insurgents fled the area.
The injured were later safely evacuated to Imphal for treatment. Condition of the one of them is serious, officials said.
An injured eight-year-old boy was killed along with his mother and another relative when an ambulance with the three on board was waylaid by a mob and set ablaze in Manipur's West Imphal district, officials said.
The personnel who lost their lives were from the CRPF 128 Battalion deployed at the Naransena area in Bishnupur district in the state.
A gunfight broke out between two groups of people in Manipur's Bishnupur district on Thursday, officials said.
The move comes after the Manipur high court had directed the state government to operationalise mobile towers, on a trial basis, in all those district headquarters which have not been affected by the ethnic clashes.