Pakistan is reportedly unhappy with U.S President Barack Obama signing a bill, withholding aid worth 33 million dollars to the country, following Dr Shakil Afridi's detention.
Obama had signed the Consolidated Appropriations Bill 2014 that was approved by U.S Congress on January 17.
The legislation includes respective Appropriation Bills for all Government Departments, including the Department of Defence and the Department of State, Dawn reported.
Dr Afridi had helped U.S intelligence in tracking Osama bin Laden in 2011, by collecting DNA through a fake vaccination campaign in Abbottabad to confirm his presence there.
Afridi was charged with treason under Pakistan's tribal justice system in 2012 for alleged ties to militants and was sentenced to 33 years in jail and a fine, following conviction.
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However, his sentence was later overturned in August last year and a retrial was ordered by a court in Peshawar.
Pakistan's Foreign Office Spokesperson Tasneem Aslam said that Dr Shakil Afridi is accused of violating the country's law and his action has caused immense damage to the polio campaign in the country
PPP leader Raza Rabbani condemned the U.S decision calling it a move against Pakistan's sovereignty and asked the government to call joint session of the parliament to discuss policy on terrorism.
