Pakistan protesters reached the Islamabad parliament building in the early hours of Wednesday morning in their bid to force Prime Minister Nawaz Sharif to resign, but did not go inside.
Reuters journalists saw protesters on their way to parliament wearing hard hats and tough leather
gloves using cranes and bolt cutters to move aside barricades of shipping containers and barbed wire.
Supporters of Pakistan's politician Imran Khan try to get past shipping containers place by authorities to block their march to the Parliament in Islamabad, Pakistan. (AP Photo)
Pakistan's powerful army on Wednesday called for dialogue to end five days of protests in Islamabad aimed at bringing down the government.
The military's chief spokesperson General Asim Bajwa said that "patience, wisdom and sagacity" were needed to end the crisis, via a recognised Twitter account.
Tens of thousands of protesters used a crane and bolt cutters to force their way past a barricade of shipping containers in the Pakistani capital on Tuesday as they marched toward parliament.
Thousands of Pakistani riot police and paramilitaries had used the containers and barbed wire to seal the diplomatic and political zone of the capital before the march began.
Police have been instructed to try to avoid violence. They did not intervene as protesters moved the outermost of a ring of barricades. Police in the outer ring of security have sticks, not guns. Some are armed with tear gas and rubber bullets.
The protests are led by former international cricketer Imran Khan, head of the country's third-largest political party, and cleric Tahir ul-Qadri, who controls a network of Islamic schools and charities.
Hours before the marchers set off, the interior minister announced that soldiers would be deployed to stop the protesters.
The announcement was intended to send a message to the coup-prone country that the protests do not have military backing. It also underscored how the domestic opposition has forced the fledgling civilian government to rely on the country's powerful army, despite deep mistrust between the two institutions.
The protests have piled extra pressure on the 15-month-old government as it struggles to overcome high unemployment, daily power cuts and a Taliban insurgency. The showdown has also raised broader questions over the stability of Pakistan, a nuclear-armed nation of 180 million people.
Khan and Qadri both want Prime Minister Nawaz Sharif to resign. Khan accuses him of rigging last year's polls. Qadri accuses him of corruption. Police estimate the two protest leaders have around 55,000 supporters between them.
Supporters of cleric Tahir-ul-Qadri gather at an anti-government march in Islamabad. (AFP Photo)
Both Khan and Qadri have been holding protest rallies in the capital since Friday with government permission. But they have been banned from the "Red Zone", which houses many Western embassies, parliament and the office and home of Sharif.
Their protests have so far remained separate because the two have different supporters and different plans for what should happen if Sharif steps down.
But on Tuesday, Qadri said his supporters would march on parliament, a day after Khan asked his supporters to do the same.
"The people's parliament ... have decided to do their sit in in front of parliament," Qadri announced on Tuesday evening, referring to his protesters, to approving roars from the crowd.
Most of Khan's supporters are young men. Qadri's supporters are seen as more disciplined and determined; there are many families among them. All the men have sticks; brigades of youths also have goggles and masks to deal with teargas.
The Red Zone is sealed off with shipping containers and barbed wire and flooded with riot police and paramilitaries.
Khan said any violence would be the fault of the prime minister, as his female supporters scattered baskets of rose petals over bemused police in body armour.
"If police try to stop us and there is violence, Nawaz I will not spare you, I will come after you and put you in jail," Khan said.
Supporters of Pakistani politician Imran Khan during a protest in Islamabad. (AP Photo)
His supporters roared their approval. Among them was 20-year-old Shams Khan, who came from the northwestern region of Bannu with his friends.
"My blood is boiling today and I want to be martyred," he said. "If we don't go into the Red Zone today, I will quit this party tomorrow."
Interior minister Chaudhry Nisar announced earlier the military would co-ordinate the defence of the Red Zone.
"The government has decided to hand over the security of the Red Zone of Islamabad to the army," he said in a news conference.
Three tiers of security had been put in place, he said, using police and government paramilitary forces.
"This challenge to the writ of the state will not be acceptable under any circumstances," Marvi Memon, a legislator from Sharif's party, told a news conference.
"By entering the Red Zone, what are you trying to prove?" she asked. "You cannot just go and sit on his chair and become prime minister."
Cleric Tahir-ul-Qadri shows the victory sign on his arrival at an anti-government march in Islamabad. (AFP Photo)
On Monday, Khan also announced his party, the third largest in the country, would resign from their 34 seats in the National Assembly and in all provinces apart from Khyber Pakhtunkhwa, which his party controls.
Khyber Pakhtunkhwa, which borders Afghanistan, is the heartland of the Taliban insurgency.
Memon said no formal resignations had been received so far.
Some analysts say Khan and Qadri mounted their challenge because Sharif's relationship with the military had deteriorated, appearing to leave the civilian government isolated.
Sharif angered the military by delaying an anti-Taliban operation by insisting on months of fruitless peace talks and putting the former chief of staff, Pervez Musharraf, on trial for treason. Musharraf ousted Sharif during a coup in 1999.
Many officers are also suspicious of Sharif's strategy to improve relations with archenemy India. However, over the past weeks, Musharraf's trial has ground to a halt and talks with India have been cancelled.
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