right time to say it. and obviously the ukrainian government moved very quickly. it was only ten minutes after, as we said in the timeline this morning, ten minutes after malaysian airlines tweets they have lost contact with this, that the adviser of the interior minister of the ukrainian government posts on facebook, it s been shot down and shot down by the rebels. they also released these recordings which they say are of rebel commander talking to a russian general, i believe. essentially discussing the flight. yeah. that s the principle reason why they are absolutely convinced that it was the rebels who did it. not only that, they also have battlefield surveillance. not as sophisticated as russia, the united states. they re not totally they re not living in the stone age and they have some view of what s going on in the region. i should just say here, because obviously there are lots of people making a circumstantial case this was the rebels. the rebels deny it as of now, an