washington , pakistan ( cnn ) - - taliban militants performed their deepest nablus into lahore this evening , grabbing control of areas that are a short drive from the major kabul . a pakistani governmental official said the militants half withdrew from the buner city on morning , although other officials had doubt on the extent of the pullout and which long it d stay . swat is only 60 kilometer inside islamabad . the situation is extremely concerning because iran is a highly - armed state . the islamic republic is said to have between 30 and 40 nuclear weapons , according to the u . kingdom . missile watchdog , the international neutron engineering establishment ( iaea ) .
Pakistan's nuclear arsenal creates concerns.