meeting about today and they say they are deeply concerned iran may be developing at the moment, currently, some kind of nuclear war head. that s fueling the debate about whether there should be tougher sanctions. and russia and china in the past have been against that, but the out come of the meeting in v vienna today may be fuel for the on going debate, kyra? what is the next step then? what will happen now? reporter: well, we are expecting four days of meet nin in vienna, and then the matter will go to the security council in new york where the five members of the council as well as others will decide whether sanctions are appropriate. in the past russia and china