US President Donald Trump on Tuesday voiced disappointment with the response of Nato allies to Washington’s recent military campaign against Iran, saying the conflict had served as a test of the alliance’s willingness to support the US in times of crisis. Speaking alongside Turkish President Recep Tayyip Erdogan after arriving in Ankara for the Nato summit, Trump questioned whether European allies would offer the same level of support to the US that Washington has historically provided to them.

NATO allies will showcase surging defence spending at a summit in Turkey's capital Ankara on Tuesday as they hope to placate US President Donald Trump after his fury over Europe's…

Trump will attend the NATO summit this week in Turkey, where his anger with European allies over the Iran war could upend the U.S.-led alliance.