WASHINGTON — NATO Secretary-General Mark Rutte sought to calm tensions with US President Donald Trump at the White House on Wednesday, using mild pushback to argue that instances of allies' reluctance to support the US conflict with Iran were limited to "isolated cases".

According to the publication, Mark Rutte's ability to sway the US leader was tested back in January, when Trump spoke of his intention to gain control over Greenland

The NATO chief seeks to manage the U.S. president while appeasing other alliance members.

US President Donald Trump meets with NATO Secretary-General Mark Rutte at the White House as questions grow over the future of America's military presence in Europe.