Top US national security officials call counterparts as Russia and Ukraine tensions rise
Top US national security officials have spoken with their Ukrainian counterparts, and America's top general held a call Wednesday with his Russian opposite number amid concern over Russian military activity in Crimea and eastern Ukraine, including what the US deemed a violation of a ceasefire by Moscow that led to the deaths of four Ukrainian soldiers last week.![](https://lh3.googleusercontent.com/blogger_img_proxy/AEn0k_t8AIhiEZk2l6iq0Iae_zOoYNvwu8hWnEiSaawPR8SmqtgRP0l21ZD7lS-W7nPA9C7ueNWeb6JFSJBWknXxEtHKn3nUSONRcuUvg6QkpDosgvM7jrGD8QQoJ69MWthBmd61=s0-d)