Europe. this as more planes arrive. u.s. jets flew into estonia yesterday. officials don t think an invasion is imminent, they are worried about russian jets arriving in next door in belarus. authorities have identified 5,000 possible bomb shelters in the city of some 3 million, and yes, some are veterans of the cold war. just one of several bomb shelters in this apartment complex in northern kyiv. the event of an invasion, this is home. it s a little bit rough. greg: the bomb shelter we checked out is said to handle about 60 people. bombing strike looms, sirens will warn building residents to go down there and stay for the duration. it does have electricity but not much more than that. the place will be stocked up