Lahore

A Pakistani vendor loads roasted corn onto a handcart in Lahore on June 13, 2014. Pakistan is gripped by a chronic energy crisis which has put a brake on industrial productivity, and is struggling to control inflation, currently at 8.6 per cent. AFP PHOTO/Arif ALIArif Ali/AFP/Getty Images

Arif Ali/AFP/Getty

A vendor loads roasted corn on to a handcart in Lahore, Pakistan. The country is gripped by a chronic energy crisis that has put a brake on industrial productivity, and is struggling to control inflation, currently at 8.6 per cent 

Pakistani girls show their fingers being marked after receiving polio vaccine in Lahore, Pakistan, Tuesday, June 3, 2014. Pakistan required  all travelers leaving the country to obtain a polio vaccination, the health ministry said

K.M. Chaudary/AP

Girls show off their painted fingers after receiving the polio vaccine in Lahore, Pakistan, on Tuesday

Children are silhouetted against the setting sun as they play on the outskirts of Lahore January 28, 2014.

Mohsin Raza/Reuters

Children play on the outskirts of Lahore, Pakistan 

A Pakistani balloon vendor walks through...A Pakistani balloon vendor walks through a cold and foggy morning in Lahore on December 17, 2013. Ongoing foggy weather in Punjab and other parts of the country has badly affected flight and rail schedules. TOPSHOTS  AFP PHOTO/ARIF ALIArif Ali/AFP/Getty Images

Arif Ali/AFP

A balloon vendor walks through a cold and foggy morning in Lahore, Pakistan. Fog in Punjab and other parts of the country has badly affected flight and rail schedules 

Pakistani Christian protesters chant slogans to condemn a Peshawar suicide attack on a church, in Lahore, Pakistan, Tuesday, Sept. 24, 2013. Pakistani Christians denounced the deadliest attack ever in this country against members of their faith when a pair of suicide bombers blew themselves up amid hundreds of worshippers outside a historic church in northwestern Pakistan on Sunday, Sept. 22, 2013. The placard at right reads, "give us protection." (AP Photo/K.M. Chaudary)

K.M. Chaudary/AP

Pakistani Christian protesters chant slogans to condemn a Peshawar suicide attack on a church in Lahore, Pakistan. Pakistani Christians denounced the attack against members of their faith when a pair of suicide bombers blew themselves up amid hundreds of worshippers outside a historic church in northwestern Pakistan on Sunday. The placard on the right reads: ‘give us protection’. 

Supporters of Pakistani politician and f...Supporters of Pakistani politician and former cricketer Imran Khan stand next to electoral poster of Khan at the venue of an election campaign meeting by Khan's party Pakistan Tehreek-e-Insaf (PTI) in Islamabad on May 9, 2013. Khan will address the final rally for his centre-right Pakistan Tehreek-e-Insaf party in the capital Islamabad by live video link from his Lahore hospital bed.  Saturday's vote will be a democratic milestone in a country ruled for half its history by the military but the Pakistani Taliban have condemned it as un-Islamic. AFP PHOTO / AAMIR QURESHIAAMIR QURESHI/AFP/Getty Images

Aamir Qureshiaamir/AFP

Supporters of Imran Khan, Pakistani politician and former cricketer, stand next to his electoral poster at the venue of an election campaign meeting by his Pakistan Tehreek-e-Insaf party (PTI), or Movement for Justice party, in Islamabad on Thursday. Mr Khan is due to make an address at the final rally by live video link from his Lahore hospital bed, following his fall from a makeshift lift during a meeting on Tuesday. The election this Saturday will be a democratic milestone in a country that has been ruled for half its history by the military, but the Pakistani Taliban have condemned it as un-Islamic