"There is no relationship we cherish more than the Special Relationship between the United States and the United Kingdom". Innocent little girls and so many others were horribly murdered and badly injured while attending a concert - attractive lives with so much great potential torn from their families forever and ever.
British officials are particularly angry that photos detailing evidence about the bomb used in the Manchester attack were published. The summit marks Trump's final stop on a maiden global trip that began in Saudi Arabia and Israel, where the president was warmly embraced by the countries' leaders.
What was supposed to be a diplomatic, make up session, turned into Trump badgering the heads of state of the North Atlantic Treaty Organisation alliance - who stood only feet away and stunned into silence, some shifting uncomfortably and some whispering remarks to each other during his comments that they are not contributing 2% of their GDP towards the collective effort of defense of the alliance.
Mr Trump appeared to have been talking to Hungary's Prime Minister Viktor Orbán before the now infamous "shove", who can be seen smiling at the US President until he stands directly in front of him, excluding Mr Orbán from the group's conversation.
Trump told the national leaders at the Brussels summit this week that members must "finally contribute their fair share and meet their financial obligations".
"Twenty-three of the 28 member nations are still not paying what they should be paying and what they are supposed to be paying for their defense".
On a tense day when Trump brought the "America first" themes of his presidential campaign to the very heart of Europe, he left European leaders visibly unsettled, with some openly lamenting divisions with the United States on trade, climate and the best way to confront Russian Federation.
"You have thousands and thousands of people pouring into our various countries and spreading throughout, and in many cases, we have no idea who they are", Trump said.
European Union Council president Donald Tusk said talks with US President Donald Trump on Thursday revealed no "common position" on Russian Federation, a subject on which the US leader faces pressure at home.
"Two percent is the bare minimum for confronting today's very real and very vicious threats", Trump said. Article 5 has been activated only once - after the 9/11 attacks.
He added that Trump and his top officials had previously voiced Article 5 support, including "personally" with Stoltenberg at their meeting in the USA in April.
NATO Secretary General Jens Stoltenberg speaks during a news conference at the NATO Headquarters in Brussels, Belgium, February 1, 2017.
May said she planned to "make clear to President Trump that intelligence that is shared between our law enforcement agencies must remain secure".