Observers say Putin is under pressure at home and abroad . Russian response : Russian aircraft moving closer to Ukrainian border . Ukrainian security council spokesman says missiles may have been fired from Russia . `` We will do everything in our power . '' The shootdown occurred six hours after Malaysia Airlines Flight 17 was shot down .
Observers say Putin is under pressure at home and abroad . Russian response : Russian aircraft moving closer to Ukrainian border . Ukrainian security council spokesman says missiles may have been fired from Russia . The shootdown occurred six hours after Malaysia Airlines Flight 17 was shot down .