Massoud Barzani Massoud Barzani arrives for a session of the Kurdistan parliament in Irbil. Photograph: Safin Hamed/AFP/Getty Images Iraq inched closer to partition on Thursday as the president of the country's autonomous Kurdish region asked MPs to start making plans for an independence referendum. Speaking in the Kurdish parliament in Irbil, Massoud Barzani said he no longer felt bound by the Iraqi constitution, which enshrines the unity of the state, and asked MPs to start preparations for a vote on the right of self-determination, which would represent the Kurds' boldest move towards statehood in 94 years. "The time has come to determine our fate and we should not wait for other people to determine it for us," Barzani said. The Kurds' historic ambition for a nation state has been given new momentum by the lightning advance of Sunni militants from the Islamic State of Iraq and the Levant (Isis) – and Iraqi politicians' inability to act decisively in the face of the insurgent threat. Iraq's national flag is now rarely seen in northern Iraq, and the Kurdish colours have been raised above all government buildings in Kirkuk, which Kurdish forces seized when the Iraqi army fled in the face of the Isis advance two weeks ago. Government forces clashed again on Thursday with Isis militants near Tikrit, the home town of Saddam Hussein, which the army has been trying to retake for more than a week. Kurdish fighters have engaged with Isis largely to defend Kurdish interests. In his speech Barzani said: "We will try to help our Shia and Sunni brothers … to get out of this crisis, but to be truthful we will [be responsible for] a new people [Kurds] who believe in coexistence, democracy and constitution. We will not deal with those who sabotaged the country." Earlier this week, Barzani suggested that an independence referendum could be held within two months, a move that would redraw Iraq's current borders and in all likelihood spread deep instability in what remained of the country. The fallout would be unlikely to stop there: Turkey, Iran and Syria are all skittish about Kurdish claims to sovereignty. Turkey, in particular, has fought a decades-long and bloody insurgency against Kurdish separatists in its south-east, who would be keenly watching developments. Barzani insisted that years of Kurdish self-government had proved that they posed no threat to neighbouring countries. "We have many friends and supporters. There may be risk in this, but it is the right moment for us to tell the world what we want." Iraqi Arab officials in Baghdad attempted to play down Barzani's comments, claiming he was simply attempting to gain leverage in the formation of a national government, in which Kurdish MPs comprise a significant minority. Barzani and the Iraqi prime minister, Nour al-Maliki, have been at odds for much of the past three years and the Kurdish leader has insisted that Kurds will not join another Maliki-led administration. Earlier this week, Sunni and Kurdish parties withdrew their MPs from Iraq's national parliament, when Shia politicians refused to name their candidate to replace Maliki as prime minister before the Sunni and Kurdish MPs revealed their own nominations for speaker. The standoff underscored the deep divisions that run through the fragile state's political class. But in Irbil, the capital of Iraqi Kurdistan, Barzani's remarks were seen by officials as significantly more than brinkmanship. Kurdish MP Haji Karwan Najmadin said: "What came out of the president's speech is that we don't accept orders from any countries. We support the declaration of Kurdistan statehood. It should not be delayed – this is the right time, but we just need a preparation and that is for people to vote on this issue." Barzani said Iraq should look to the precedent of Czechoslovakia, which peacefully separated into two countries following the end of communism. "Czechoslovakia was comprised of two peoples and they were forced together to establish a state. Because it was forced upon them, they separated again," he said. "There is a lesson here: they cannot oppress the people of Kurdistan and then say we must remain united." Another MP in the Kurdistan regional government warned that there was still a gulf between Kurdish ambitions and reality. Mahmoud Haji Omar said Iran and Arab countries would oppose independence, not least because Israel has expressed support for Kurdish sovereignty. Earlier this week, Israel's prime minister, Benjamin Netanyahu, endorsed Kurdish ambitions for statehood. But Omar said Turkey, which had long been vehemently opposed to Kurdish statehood because of potential implications for its borders, had softened its stance in recent years. "They have expressed flexibility on this issue maybe because of the oil," he said. Over the past year, the Kurdish regional government has been directly selling oil to Turkey despite an agreement with the central government that all oil should be marketed and exported nationally.

Jayden was last seen alive with Blakeley on the afternoon of 3 December last year in Didcot. Photograph: Thames Valley Police/PA

A former binman has described how he strangled his pregnant ex-girlfriend to death but thought she was "joking" when her lifeless body fell to the ground.
Ben Blakeley, 22, admits he killed 17-year-old Jayden Parkinson after finding out she was expecting his child but denies murdering her.
The self-confessed petty thief and drug user said he grabbed the teenager around the throat after he realised she was lying to him and about sleeping with another man.
"I asked her if she was definitely lying about the dude and she let go of me and looked away from me," Blakeley told Oxford crown court. I said you are definitely lying about that dude. She just let go, didn't answer and looked down. I grabbed her around the neck. Two hands."
But Blakeley insisted: "I didn't grab her that hard. I had grabbed her harder before." Asked how long he held her, he replied: "Not long ... seconds."
Richard Benson QC, representing Blakeley, asked him: "What were you hoping she would say or do?"
He replied: "Tell me the truth, I said it twice. I let go of her. She fell backwards off the bridge on to the ground into the mud.
"She was making noises when she was on the floor."
At that point Jayden's mother Erica Simms left the court crying.
Blakeley, who had also broken down in tears, said: "When she hit the ground, I laughed, man, and I thought she was joking and I said get up. I didn't mean to hurt Jayden. I thought she was joking ... I pushed on her chest as hard as I could. I blew in her mouth and it didn't do anything, so I held her nose and then blew in her mouth at the same time.
"I grabbed her face and was shouting at her 'Wake up'. It didn't seem real, man. It didn't seem real. I was shaking her."
Blakeley told the court that he held a mobile phone over Jayden's face to see if she was breathing, but she was not.
Blakeley said he moved Jayden's body to under a nearby tree and covered her with a branch and left her, walking to Didcot station and catching a train home to Reading.
Before he started giving his evidence, he asked for the suitcase in which he transported Jayden's body to her grave to be removed from in front of the witness box.
Describing his and Jayden's relationship, he said: "We had a laugh, smoked weed, drink and sniff, flirting ... We just connected. We were perfect at times. We were in love. There were more good times than bad but people have only heard the bad, but that's how it is."
Blakeley admitted to jurors that he was obsessive and controlling and said he had threatened to post intimate naked videos and photographs of Jayden on Facebook – hoping that she would kill herself as a result.
"I thought she had cheated on me," Blakeley said."I just wanted to piss her off. I was fucking angry. I am not trusting, I don't trust, you know what I mean? I can't help it. I am a very paranoid person."
Blakeley admitted that he first smoked cannabis when he was at primary school and by the time he was in a relationship with Jayden he was using it every day. He would also smoke the stronger skunk cannabis and also take cocaine.
Jayden was last seen alive with Blakeley on the afternoon of 3 December last year in Didcot, having met to discuss her pregnancy. When she had broken the news to Blakeley 24 hours previously in a telephone call he became angry, denying he was the father, prosecutors allege.
On 19 December, her body was recovered from the grave of Blakeley's uncle, Alan Kennedy, at All Saints' churchyard in Didcot. In the graveyard Blakeley and his co-accused, a 17-year-old boy who cannot be identified for legal reasons, are accused of burying Jayden's body in the grave of Kennedy, who died in 2006.
Blakeley, of Christchurch Road, Reading, Berkshire, has denied murdering Jayden but has admitted her manslaughter and attempting to pervert the course of justice. But the prosecution refused to accept his plea and he has now gone on trial alongside the boy. The youth has also pleaded guilty to attempting to pervert the course of justice but denies a charge of preventing a lawful burial.
A post-mortem examination found that Jayden died as a result of pressure to the neck.
There was also evidence of "relatively widespread" areas of bruising to her face and scalp which was indicative of being caused by a fist or foot.
The trial was adjourned until Friday.