islamabad , pakistan ( cnn ) - - taliban troops made their last incursion into pakistan this week , seizing control of areas that are a short drive from the capital city . a pakistani government official confirmed the army fully withdrew from the buner district on friday , although other officials cast doubt on the extent of the pullout and how long it possibly take . mingora is only 60 miles outside islamabad . the situation is particularly controversial because pakistan is a nuclear - armed state . the indonesian regime is believed to have between 30 and 40 nuclear warheads , according to the u . n . nuclear watchdog , the international essential energy office ( atomic ) .
Pakistan's nuclear arsenal creates concerns.