An anti-government protester sleeps as he covers himself with a piece of cardboard in front of the President House during the Revolution March in Islamabad
An anti-government protester sleeps as he covers himself with a piece of cardboard in front of the President House during the Revolution March in Islamabad September 3, 2014. Pakistan's parliament threw its weight behind embattled Prime Minister Nawaz Sharif on Tuesday as a deepening crisis over violent protests demanding his resignation prompted fears of an army intervention. REUTERS/Zohra Bensemra (PAKISTAN - Tags: POLITICS CIVIL UNREST)
Anti-government protesters take their morning baths at a public pump during the Revolution March in Islamabad
Anti-government protesters take their morning baths at a public pump during the Revolution March in Islamabad September 3, 2014. Pakistan's parliament threw its weight behind embattled Prime Minister Nawaz Sharif on Tuesday as a deepening crisis over violent protests demanding his resignation prompted fears of an army intervention. REUTERS/Akhtar Soomro (PAKISTAN - Tags: POLITICS CIVIL UNREST)
Anti-government protesters wash up while fellow protesters queue for breakfast in the morning, in front of the parliament house during the Revolution March in Islamabad
Anti-government protesters wash up while fellow protesters queue for breakfast in the morning, in front of the parliament house during the Revolution March in Islamabad September 3, 2014. Pakistan's parliament threw its weight behind embattled Prime Minister Nawaz Sharif on Tuesday as a deepening crisis over violent protests demanding his resignation prompted fears of an army intervention. REUTERS/Zohra Bensemra (PAKISTAN - Tags: POLITICS CIVIL UNREST)
An anti-government protester pitches a makeshift tent at the premises of the parliament house during Revolution March in Islamabad
An anti-government protester pitches a makeshift tent at the premises of the parliament house during Revolution March in Islamabad September 3, 2014. Pakistan's parliament threw its weight behind embattled Prime Minister Nawaz Sharif on Tuesday as a deepening crisis over violent protests demanding his resignation prompted fears of an army intervention. REUTERS/Akhtar Soomro (PAKISTAN - Tags: POLITICS CIVIL UNREST)
Anti-government protesters rest under a truck in front of the parliament house, during the Revolution March in Islamabad
Anti-government protesters rest under a truck in front of the parliament house, during the Revolution March in Islamabad September 3, 2014. Pakistan's parliament threw its weight behind embattled Prime Minister Nawaz Sharif on Tuesday as a deepening crisis over violent protests demanding his resignation prompted fears of an army intervention. REUTERS/Zohra Bensemra (PAKISTAN - Tags: POLITICS CIVIL UNREST)
Anti-government protesters rest under a poster of Tahir ul-Qadri, a Sufi cleric and leader of the Pakistan Awami Tehreek political party, as they camp at the premises of the parliament house during Revolution March in Islamabad
Anti-government protesters rest under a poster of Tahir ul-Qadri, a Sufi cleric and leader of the Pakistan Awami Tehreek (PAT) political party, as they camp at the premises of the parliament house during Revolution March in Islamabad September 3, 2014. Pakistan's parliament threw its weight behind embattled Prime Minister Nawaz Sharif on Tuesday as a deepening crisis over violent protests demanding his resignation prompted fears of an army intervention. REUTERS/Akhtar Soomro (PAKISTAN - Tags: POLITICS CIVIL UNREST TPX IMAGES OF THE DAY)
Anti-government protesters cook breakfast as they camp at premises of the parliament house during Revolution March in Islamabad
Anti-government protesters cook breakfast as they camp at the premises of the parliament house during Revolution March in Islamabad September 3, 2014. Pakistan's parliament threw its weight behind embattled Prime Minister Nawaz Sharif on Tuesday as a deepening crisis over violent protests demanding his resignation prompted fears of an army intervention. REUTERS/Akhtar Soomro (PAKISTAN - Tags: POLITICS CIVIL UNREST)
An anti-government protester takes a morning bath with others at public pump during the Revolution March in Islamabad
An anti-government protester takes a morning bath with others at a public pump during the Revolution March in Islamabad September 3, 2014. Pakistan's parliament threw its weight behind embattled Prime Minister Nawaz Sharif on Tuesday as a deepening crisis over violent protests demanding his resignation prompted fears of an army intervention. REUTERS/Akhtar Soomro (PAKISTAN - Tags: POLITICS CIVIL UNREST TPX IMAGES OF THE DAY)
opposition leader of PAT Qadri addresses supporters while flanked by opposition leader Khan of PTI in Islamabad
Tahir ul-Qadri, Sufi cleric and opposition leader of political party Pakistan Awami Tehreek (PAT), addresses supporters while flanked by Imran Khan (R), chairman of the opposition Pakistan Tehreek-e-Insaf (PTI) political party, in Islamabad September 2, 2014. Khan said on Tuesday he would hold talks with conservative Islamist politician Siraj-ul-Haq, who has been trying to mediate between Khan's political party and the government since the beginning of a political crisis. REUTERS/Zohra Bensemra (PAKISTAN - Tags: POLITICS CIVIL UNREST TPX IMAGES OF THE DAY)
A helicopter flies past a Pakistan's national flag in the premises of parliament house during the Revolution March in Islamabad
A helicopter flies past a Pakistan's national flag in the premises of parliament house during the Revolution March in Islamabad September 2, 2014. Pakistan's parliament threw its weight behind embattled Prime Minister Nawaz Sharif on Tuesday as a deepening crisis over violent protests demanding his resignation prompted fears of an army intervention. REUTERS/Akhtar Soomro (PAKISTAN - Tags: POLITICS CIVIL UNREST MILITARY)