although now under occupation, apparently, by russian troops. diana, give us the latest. >> reporter: occupation in simferopol, where i am, which is essentially the capital. it doesn't feel like that. you have many troops on the streets, although they are patrolling, for example, the main regional administration building still. but around military bases here in crimea, there are hundreds more troops who have been trying to get ukrainian military there to surrender their weapons. and along the border posts, most importantly, and on the east of crimea, we're hearing from the ukrainian government that there were attacks on those border posts overnight by what the guards have described as russian special forces. we need to note, john, that all of these troops, special forces, whoever they are, are still not wearing any kind of military insignia, but i think it's safe to assume that they are russian, even though russia has not acknowledged that it has troops on the ground here now, but it does feel like an annexation of