A supporter of Imran Khan, chairman of Pakistan Tehreek-e-Insaf (PTI) political party, gestures while sitting outside Khan's residence before the start of today's Freedom March in Lahore
A supporter of Imran Khan, chairman of Pakistan Tehreek-e-Insaf (PTI) political party, gestures while sitting outside Khan's residence before the start of today's Freedom March in Lahore August 14, 2014. Thousands of protesters preparing to march on the Pakistani capital gathered in the eastern city of Lahore on Thursday, buoyed by a last-minute court order that a peaceful march could go ahead and a government promise to obey the ruling. REUTERS/Akhtar Soomro (PAKISTAN - Tags: POLITICS CIVIL UNREST CRIME LAW)
Policemen gather outside the residence of Imran Khan, chairman of Pakistan Tehreek-e-Insaf (PTI) political party, amidst campaign posters as a man in green shirt walks through security gate before the start of today's Freedom March in Lahore
Policemen gather outside the residence of Imran Khan, chairman of Pakistan Tehreek-e-Insaf (PTI) political party, amidst campaign posters as a man in green shirt walks through a security gate before the start of today's Freedom March in Lahore August 14, 2014. Thousands of protesters preparing to march on the Pakistani capital gathered in the eastern city of Lahore on Thursday, buoyed by a last-minute court order that a peaceful march could go ahead and a government promise to obey the ruling. REUTERS/Akhtar Soomro (PAKISTAN - Tags: POLITICS CIVIL UNREST CRIME LAW)
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Police stand guard outside the residence of Tahir ul-Qadri in Lahore
Police stand guard outside the residence of Tahir ul-Qadri, Sufi cleric and leader of political party Pakistan Awami Tehreek (PAT), in Lahore August 13, 2014. Thousands of riot police sealed off Pakistan's capital with barbed wire and shipping containers on the eve of the country's Independence Day, in a bid to foil mass protests aimed at toppling embattled Prime Minister Nawaz Sharif. REUTERS/Mohsin Raza (PAKISTAN - Tags: POLITICS CIVIL UNREST)
A policeman stands guard beside a shipping container outside the residence of Tahir ul-Qadri in Lahore
A policeman stands guard beside a shipping container outside the residence of Tahir ul-Qadri, Sufi cleric and leader of political party Pakistan Awami Tehreek (PAT), in Lahore August 13, 2014. Thousands of riot police sealed off Pakistan's capital with barbed wire and shipping containers on the eve of the country's Independence Day, in a bid to foil mass protests aimed at toppling embattled Prime Minister Nawaz Sharif. REUTERS/Mohsin Raza (PAKISTAN - Tags: POLITICS CIVIL UNREST)
A man slips through a gap at a barricade set up using shipping containers near the parliament building in Islamabad
A man slips through a gap at a barricade set up using shipping containers near the parliament building in Islamabad August 13, 2014. Thousands of riot police sealed off Pakistan's capital with barbed wire and shipping containers on the eve of the country's Independence Day, in a bid to foil mass protests aimed at toppling embattled Prime Minister Nawaz Sharif. REUTERS/Caren Firouz (PAKISTAN - Tags: POLITICS CIVIL UNREST)
Police check cars at a security checkpoint on the approach to the parliament building in Islamabad
Police check cars at a security checkpoint on the approach to the parliament building in Islamabad August 13, 2014. Thousands of riot police sealed off Pakistan's capital with barbed wire and shipping containers on the eve of the country's Independence Day, in a bid to foil mass protests aimed at toppling embattled Prime Minister Nawaz Sharif. REUTERS/Caren Firouz (PAKISTAN - Tags: POLITICS CIVIL UNREST)
A police officer gestures at a security checkpoint on the approach to the parliament building in Islamabad
A police officer gestures at a security checkpoint on the approach to the parliament building in Islamabad August 13, 2014. Thousands of riot police sealed off Pakistan's capital with barbed wire and shipping containers on the eve of the country's Independence Day, in a bid to foil mass protests aimed at toppling embattled Prime Minister Nawaz Sharif. REUTERS/Caren Firouz (PAKISTAN - Tags: POLITICS CIVIL UNREST)
A army truck goes through a security checkpoint on the approach to the parliament building in Islamabad
A army truck goes through a security checkpoint on the approach to the parliament building in Islamabad August 13, 2014. Thousands of riot police sealed off Pakistan's capital with barbed wire and shipping containers on the eve of the country's Independence Day, in a bid to foil mass protests aimed at toppling embattled Prime Minister Nawaz Sharif. REUTERS/Caren Firouz (PAKISTAN - Tags: POLITICS CIVIL UNREST MILITARY)