At the alliance summit, he also renewed claims on Greenland and demanded Washington cut trade ties with Spain.

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.

The two-day gathering in Ankara comes a year after NATO members pledged to ramp up security-related spending to 5% of GDP under pressure from the US leader. Yet, the US President…