The Pakistani doctor who helped the United States locate Osama bin Laden's hideout has told the US television network that the country's powerful spy agency, the ISI regards America as its worst enemy. In an interview from his prison in Peshawar, Doctor Afridi told Fox news that the ISI officers who interrogated him said he has helped Pakistan's worse enemy, worst even than the Indians. Afridi helped the CIA by running a fake vaccination programme that allowed him to collect the DNA of bin Laden's children from the family compound in Abbottabad.