. >>> we want to take you live now to admiral john kerby. >> -- it's based on concerns that you havebout surface to air missile activity and capabilities. >> reporter: i know you said you don't what the intent was, but was there any indication there were other planes in the sky at that time? and also is there any concern -- the president keeps saying if putin wants to stop this, he can. is there any concern that this is a situation that has spiralled out of control, and russia doesn't have control over the separatists? >> on your first question, i don't know. this is ukrainian air space controlled by ukrainian authorities. and i would prefer them to speak to that. on your second question, i think the president has been very clear about the responsibilities and obligations of what president putin and moscow are right now, which is to diska late the tension, and cease support for the separatists activities which in some cases has intensified. >> reporter: even since yesterday's incident? >> i don't know a big delta from yesterday to today, but we haven't seen any sign that it's not --