Sirri Sureyya Onder, right, speaking next to Turkey’s Deputy Prime Minister Yalcin Akdogan, left, during a meeting at the Dolmabahce office of Prime Ministry in Istanbul on Feb. 28, 2015.

The jailed leader of the Kurdistan Workers’ Party (PKK) on Saturday urged the separatists to take a “historic” decision to lay down arms, a key step in efforts to end Turkey’s long-running Kurdish insurgency.

Reading a statement live on television, Sirri Sureyya Onder, a lawmaker from the pro-Kurdish Peoples’ Democratic Party (HDP), relayed a message from Abdullah Ocalan calling on the Kurdish rebels to hold a congress on disarmament in the spring.

“We are in the process of ending the 30-year of conflict in the form of a perpetual peace, and our primary goal is to reach a democratic solution,” Onder quoted Ocalan as saying in a joint press conference with Deputy Prime Minister Yalcin Akdogan.

“I’m calling on the PKK to hold an extraordinary congress in the spring months to take the strategic and historic decision on disarmament,” Ocalan’s message said.

“This is a historic call to replace armed struggle with democratic politics.”

Onder, who spoke alongside Akdogan and Interior Minister Efkan Ala following a brief meeting with the two ministers in Istanbul, said the both sides were “closer than ever to peace.”

The press conference was of significance because it was the first time a message by Ocalan was read out in the presence of Turkish government officials.

Akdogan emphasised the importance of a ceasefire and said: “We have reached an important and historical phase in the peace process.”

“Silencing arms will contribute to the development of democracy,” he said.

The statement came after an HDP delegation met with PKK rebels for talks at their base in the Kandil Mountains in Iraq on February 23 and met Ocalan himself on his prison island of Imrali on the Marmara Sea on Friday.

The statement also listed 10 measures that the government must agree to ensure peace, including drafting a new constitution.

“Today, a critical point has been reached in Turkey’s democratisation, the expansion of freedoms and for lasting peace,” said HDP chairman Selahattin Demirtas.

Demirtas said that the congress would be held after a consensus on the measures cited in the statement was reached but did not make clear who would attend the conference nor whether it would bring about an immediate disarmament.

Prime Minister Ahmet Davutoglu also hailed the statement as the start of a new phase, saying the language of violence would now “cease to exist.”

In 2013, Ocalan called for a “historic” ceasefire, after months of secret negotiations with the Turkish government aimed at ending a conflict that has killed more than 40,000 people since 1984.

But peace talks stalled in September 2013, when the insurgents said they were suspending their pullout from Turkish soil after accusing Ankara of failing to deliver on promised reforms.

Government officials have recently stepped up efforts to restart talks with the Kurds and have met with their representatives in the hope of reaching a disarmament deal by the Kurdish New Year in March.

The new efforts come against the backdrop of a contentious security bill — currently being debated in parliament — that boosts police powers to crack down on protest.

If passed, the bill, which was introduced after deadly pro-Kurdish protests in October, risks jeopardising the fragile peace process with the PKK, which is listed as a terror organisation by Turkey and its western allies.

The pro-Erdogan ruling Justice and Development Party (AKP) is seeking support from Turkey’s estimated 15 million Kurds in parliamentary elections in June in order change the constitution and imbue Erdogan’s office with more executive powers.

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