Trump is one of 32 leaders from the Western defensive alliance who are coming, along with the heads of more than a dozen partner countries. Dutch police have mounted their biggest ever security operation for the most expensive Nato summit so far,

President Donald Trump's demand that NATO countries increase their defense spending to 5% of their GDP appears to be a rule for other countries and not the United States. The comments come at a time when Trump is scheduled to meet with NATO allies next week in The Hague.