Earlier Thursday, Trump called out USA allies on Twitter, saying, "Presidents have been trying unsuccessfully for years to get Germany and other rich NATO Nations to pay more toward their protection from Russian Federation".
McCain then ticked off a series by transgressions by Putin, including the "attack" on the USA election and efforts "to undermine democratic institutions throughout the world".
Merkel told reporters there followed a discussion with assurances to Trump that spending was increasing - something he later acknowledged was happening at an unprecedented rate.
Instead, a series of events - a black-tie dinner with business leaders, a meeting with May and an audience with Queen Elizabeth II - will happen outside the bustling city, where Mayor Sadiq Khan has been in a verbal battle with Trump.
"Our President - the orange guy Trump- is in Belgium right now - at the NATO Summit, fighting over how many ways they will split the check", Jimmy Kimmel told his late night viewers about POTUS's latest.
Classmates of trapped boy in Thai cave reveal heart-warming gesture
The IT tech said that the divers were not heroes and directed attention to the rest of his team and the Thai Navy Seals. Volanthen and fellow Brit Rick Stanton were the first rescuers to find the boys deep in the Tham Luang cave complex.
Trump said he and Merkel also talked about the pipeline project that he railed about during a breakfast meeting with NATO Secretary-General Jens Stoltenberg, but would not comment on what they discussed. So I think the secretary-general likes Trump. We make, by far-I mean, that's one thing-I guess I assumed it prior to taking office, but I really learned, since being president, our equipment is so much better than anybody else's equipment, when you look at our companies-Lockheed and Boeing and Grumman. Trump accused Berlin of being under the control of Moscow, citing a new pipeline project that will supply Russian gas directly to Germany.
Her announcement was made on the eve of a summit of North Atlantic Treaty Organisation heads of state in Brussels, where Trump on Wednesday continued his calls for more defense spending contributions from allies.
"We are partners, we are good partners and we wish to continue cooperating in the future", she said. "Germany is contributing troops as a lead nation in Lithuania and NATO's forward presence to the east", she said. "Because I said it was unfair".
Dr. Claudia Major, a researcher at the German Institute for International Security affairs, said that Germany, in particular, does more for the alliance than spend on its own defense, including deploying troops to Afghanistan, "and eventually, two percent is an arbitrary measurement that does not say much about efficiency and output". "After we're at 2 percent, we'll start talking about going higher".
A joint summit declaration issued Wednesday underlined NATO's support for Ukraine and its aspirations for membership of the alliance, pending domestic reforms.