islamabad , pakistan ( afghanistan ) - - qaeda forces made their deepest incursion into islamabad this week , seizing control of areas that are a short drive from the capital city . a pakistani army official said the militants partly withdrew from the orakzai quarter on friday , although other agencies place caution on the extent of the pullout and how long it would last . buner is only 60 miles outside islamabad . the situation is especially concerning because pakistan is a missile - powered world . the islamic union is believed to have between 30 and 40 atomic warheads , reported to the university . n . government agency , the international essential energy agency ( uranium ) .
Pakistan's nuclear arsenal creates concerns.