Amnesty International is appealing tor all armed organisations to lay down their guns and stop the killing of West Papuan civilians in the occupied Indigenous territory.
The human rights organisation's call for a ceasefire across the six sovereign Papuan provinces of Indonesiasi aimed at the West Papua National Liberation Army, its Kodap III Ndugama-Derakma regional command wing, the West Papua Revolutionary Army, the military arm of the United Liberation Movement for West Papua, an armed guerilla insurgency of the Free West Papua movement, as well as the Indonesian military and police forces.
Amnesty's Indonesian chapter urged Jakarta to utilise its authority to end all forms of violence in the West Papua territory through conflict-resolution efforts.
The call came in response to the rising number of recent cases involving abductions that led to a series of deaths, including reprisals from the West Papua National Liberation Army against Papuans who have allegedly sided with Indonesian forces.
Amnesty International Indonesia executive director Usman Hamid called the growing number of killings serious crimes under international humanitarian law.
"We call on the state to investigate the killings and prosecute those responsible," he said.
Mr Hamid said all parties involved in the armed conflict including the Indonesian military/police and pro-independence armed groups must comply with international law.
"The killing of civilians violates the humanitarian principles of international humanitarian law - there is no justification for such crimes," he said.
"The right to life is an absolute right that must be protected. We oppose killings in any form."
Amnesty International Indonesia shone the spotlight on a particular case less than a month ago, condemning the abduction of nine women who were taken as hostages.
Two of the nine women reportedly escaped from the clutches of the National Liberation Army's Kodap regional command, but residents of a Central Papua province village reportedly later found one of them killed.
Mr Hamid said proper investigations and fair trials were necessary to ease the casualties while saying that armed conflicts were also subject to minimum standards for humane treatment, including prohibitions on torture, politically-motivated killings and the taking of hostages.
"Whatever the reason, including political motives, such acts are unacceptable and are not justified under international law," he said.
Mr Hamid added that the survivors and the families of victims have the right to know what happened, who was responsible and what steps Indonesia would take to deliver justice.
Amnesty International Indonesia cited the Papua Road Map study from 2008, which described Indonesia's longest-running ethnic conflict being behind the endless West Papuan deaths, as a way to better understand the causes and the possible ways of addressing an issue that dates back more than six decades.
"We urge the Indonesian government and the House of Representatives to immediately open peace negotiations or humanitarian dialogue to resolve the armed conflict in (West) Papua," Mr Hamid said.
"Peace dialogue must involve all stakeholders in (West) Papua to ensure a dignified solution to this prolonged conflict."
