at a recently retired marine captain who has been missing since april. on friday, russian state television showed video of two other u.s. military veterans who hadn t been heard from since the previous week. president biden is urging americans to stay out of ukraine. alison barber has the latest. at least two missiles were intercepted in the kyiv region last night. one of them, not far from here in bucha. meanwhile, in the united states, the families of three americans missing in ukraine are desperate for answers. one of those men, a former marine named grady kerr posh, he has not been heard from by his family since the end of april. we spoke to a representative of the family and they tell us that he had a conversation over the phone with his wife around april 23rd. but after that, he says it was like he vanished. no text messages, no calls, the family says they now believe he is a prisoner of war. can pot is one of three americans reported missing in ukraine, russian st