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Pakistan protest march sees tight security in Islamabad Pakistan protest march led by Imran Khan begins
(35 minutes later)
Pakistan has deployed thousands of security personnel and set up roadblocks ahead of a march on the capital by anti-government protesters. Anti-government protesters in Pakistan have begun travelling from Lahore to Islamabad, amid tight security.
The rally was called by opposition politician Imran Khan who wants PM Nawaz Sharif to resign for failing to probe fraud in last year's polls. The rally is being led by opposition politician Imran Khan, who wants PM Nawaz Sharif to resign for failing to probe fraud in last year's polls.
Anti-government cleric Tahirul Qadri also called on supporters to rally, leading to fears of clashes. An anti-government cleric Tahirul Qadri, who wants to lead a separate march, is being prevented from leaving Lahore.
The government accuses the protesters of trying to derail democracy.The government accuses the protesters of trying to derail democracy.
But it also announced a Supreme Court commission to investigate allegations of rigging in the 2013 poll. But it also announced on Tuesday a Supreme Court commission to investigate allegations of rigging in the 2013 poll.
This was dismissed by Imran Khan, who vowed to press ahead with the march from Lahore to Islamabad saying that only Mr Sharif's resignation would stop the rally now. This was dismissed by Mr Khan, who vowed to press ahead with the march from Lahore to Islamabad saying that only Mr Sharif's resignation would stop the rally now.
The BBC's Shahzeb Jillani in Islamabad says the stand-off is seen as the biggest challenge yet to Mr Sharif's government.The BBC's Shahzeb Jillani in Islamabad says the stand-off is seen as the biggest challenge yet to Mr Sharif's government.
There is is anxiety and uncertainty about what will happen on the streets of the capital later, our correspondent adds.There is is anxiety and uncertainty about what will happen on the streets of the capital later, our correspondent adds.
Mobile phones jammedMobile phones jammed
Tens of thousands of security personnel have been deployed in the capital Islamabad and in cities across Punjab province. Mr Khan addressed a crowd in Lahore before taking his place in a truck as part of a convoy of hundreds of vehicles bound for the capital, Islamabad.
Tens of thousands of security personnel have been deployed in Islamabad and in cities across Punjab province.
Roadblocks have been placed on all major entry and exit points to the two cities. The mobile phone network has also been partially suspended.Roadblocks have been placed on all major entry and exit points to the two cities. The mobile phone network has also been partially suspended.
Representatives of Mr Khan's Tehreek-e-Insaaf party (PTI) have also complained of workers being detained. Many fear clashes between police and Tahirul Qadri's followers, who want to hold their own "revolution march" on Islamabad.
Many fear clashes between police and Tahirul Qadri's followers, who say they will be holding their own "revolution march" in Islamabad. Mr Qadri's supporters have, however, been blocked into an area around his home and the cleric is not being allowed to leave for his rally.
Reports suggest Imran Khan's march may be allowed to set off from Lahore but supporters of Mr Qadri are being confined to his headquarters in the city.
Marchers in both camps are angry about the sinking economy, the uncontrolled growth of militancy, and core services such as the electricity supply which has nearly ground to a halt.Marchers in both camps are angry about the sinking economy, the uncontrolled growth of militancy, and core services such as the electricity supply which has nearly ground to a halt.
In a country with a history of military coups, everyone fears that violence beyond a certain point may force the hand of even a reluctant army to intervene, correspondents say.In a country with a history of military coups, everyone fears that violence beyond a certain point may force the hand of even a reluctant army to intervene, correspondents say.
Last week at least six people were killed in Punjab province in clashes between police and supporters of Mr Qadri.Last week at least six people were killed in Punjab province in clashes between police and supporters of Mr Qadri.
Mr Qadri, who until recently was based in Canada, returned to Pakistan in June and is one of Pakistan's most prominent political and religious figures.Mr Qadri, who until recently was based in Canada, returned to Pakistan in June and is one of Pakistan's most prominent political and religious figures.
He leads the Pakistan Awami Tehreek (PAT) party and has condemned the government of Prime Minister Nawaz Sharif as corrupt.He leads the Pakistan Awami Tehreek (PAT) party and has condemned the government of Prime Minister Nawaz Sharif as corrupt.
He says he plans to lead a peaceful revolt against Mr Sharif, who he says has failed to solve basic problems such as unemployment and frequent electricity outages.He says he plans to lead a peaceful revolt against Mr Sharif, who he says has failed to solve basic problems such as unemployment and frequent electricity outages.
Mr Qadri has called for a military-backed government to take over from Mr Sharif, but has denied being supported by the army.Mr Qadri has called for a military-backed government to take over from Mr Sharif, but has denied being supported by the army.