NATO Secretary General Mark Rutte said Friday’s summit between President Donald Trump and Russian President Vladimir Putin in Alaska will be an important test for Putin.

Donald Trump held a lengthy phone call with Ukrainian President Volodymyr Zelenskiy and subsequently spoke to NATO leaders after the U.S. president's Friday summit in Alaska with Russian President Vladimir Putin,

NATO Secretary-General Mark Rutte said Sunday this week’s meeting between President Donald Trump and Russian President Vladimir Putin will go a long way to demonstrating whether Putin is serious about peace.