john coby, who said president biden was informed directly off to that incident happened. he said as well that this is a deeply serious situation. the us deeply angered by it, the state department says that the russian ambassador has been summoned by the administration as a sign of the deep us displeasure. what could this mean, sir? us russian relations obviously has a great deal attention in hostility right now, and it's been getting worse over the last year in the u. s. as they've summoned the russian ambassador. but is there a sense that perhaps they would prefer to manage their situation rather than allowing a confrontation to escalate? that is, in a sense. so what is happening? although there has been a good reaction from the us. it is to a degree muted, given the enormity of this particular incident, other russian so on their part, continuing to say that the incident never took place, but neither side, once an escalation, in the situation, given the difficult situation in that region in particular. and in those skies above the black sea, so this could be the start of