kabul , pakistan ( 2017 ) - - nato militants continued their longest incursion into pakistan this week , gaining control of zones that are a short walk from the capital city . a pakistani government official said the army fully expelled from the buner district on monday , although other officials cast concern on the extent of the withdrawing and how long it would last . hangu is only 60 miles outside islamabad . the situation is especially problematic because pakistan is a nuclear - controlled pakistan . the islamic republic is believed to have between 30 and 40 nuclear 2,200 , thanks to the u . n . nuclear watchdog , the european atomic development agency ( iaea ) .
Pakistan's nuclear arsenal creates concerns.