"If the president leaves the Putin meeting without ironclad assurances and concrete steps toward a full cessation of Russian attacks on our democracy, this meeting will not only be a failure - it will be a grave step backward for the future of the worldwide order and global security".
Later in the press conference, Trump slammed reporter Kristen Welker after a question about Russian Federation.
During the news conference Friday, Trump and May dismissed criticism he shared of the prime minister during The Sun interview.
"Fortunately, we tend to record stories now.we record when we deal with reporters".
Trump's late arrival is not a first for him. I don't think Putin would have done this if I was President.
"The two sides agreed that, apart from the US Secretary of State and the Russian Foreign Minister, any other ministers won't attend the talks", Ushakov said. "Whatever you're gonna do is OK with us, just make sure we can trade with you, that's all that matters". "That's all that matters".
May, for her part, praised the strength of the U.S. -U.K. bond. But in a gentle rebuke, said: "It is all of our responsibility to ensure that trans-Atlantic unity endures".
"We've been modernizing and fixing and buying" the USA nuclear arsenal, Trump said. If Russia hacked someone again, this time on Trump's watch, Trump really might get annoyed at the perception that he can't - or won't - protect the country from foreign interference. But it was Trump who was ultimately brought to heel by the end of the summit.
Interviewed before he left Brussels for the U.K, Trump accused May of ruining what her country stands to gain from its Brexit vote to leave the European Union.
Brexit has not only weakened Britain's positions in Europe, but also caused a crisis in the United Kingdom government, with Foreign Secretary Boris Johnson and Brexit Secretary David Davis resigning over their disagreements with May on the terms of parting ways with the EU.
In light of the charges against 12 GRU officers announced by Rod Rosenstein, @realDonaldTrump should cancel his meeting with Putin, who ordered the attack on the US.
Trump, speaking in Britain on Friday, called the pipeline "a terrible mistake" and told North Atlantic Treaty Organisation leaders on Wednesday he thought Germany had become a "captive" of Russian Federation due to its energy reliance.More news: Door not closed on my T20 career, says Root
"She should negotiate the best way she knows how". Ten thousand participants are estimated to march from Kaisaniemi Park near the central railway station to Senate Square near the Presidential Palace.
A blimp depicting President Trump as a nappy-wearing baby was raised in the air in Parliament Square.
Many protesters used humor to convey their opposition.
"The Russian president is a man schooled in treachery and espionage".
Before leaving for London, Trump participated in a pair of multilateral meetings focused on Russian aggression and the war in Afghanistan.
Arms control experts say there is a delicate interplay between how the United States may handle the two treaties.
Trump also indicated he might let bygones be bygones on Crimea. The president claimed Europe is "losing its culture" because of immigration from the Middle East and Africa.
Kremlin-backed media have stressed the importance of the summit taking place on neutral territory to ensure Trump is not seen as having the upper hand. "Cities in America all suffered terror attacks", Khan told British broadcaster Sky News.
After a tense relationship with Clinton, Putin took a different approach with President George W. Bush in 2001.
After this, Trump will go to have tea with the Queen at Windsor Castle. "I think he's got what it takes".
'I am just saying I think he would be a great prime minister.
Macron and others said they did not interpret Trump's words as a direct threat to quit the alliance Washington founded in 1949 to contain Soviet expansion.