Vladimir Putin could be getting concerned about a tiny NATO nation on Russia's border which is making open preparations for war. In a David versus Goliath-like scenario, the small Baltic country of Lithuania has begun ramping up military spending and exercises in response to the growing threat from Moscow.

President Donald Trump insisted Friday that a meeting between Russian President Vladimir Putin and Ukrainian President Volodymyr Zelensky “will happen," even as the Kremlin ruled out talks between the two leaders in the near term.