Ahead of Trump's meeting with Putin, both Republican and Democratic lawmakers had urged the USA president to press for the extradition to the United States of the Russian agents.
'Great World Cup, ' the former secretary of state tweeted late Sunday.
Putin started the press conference.
Trump told reporters he ran a "clean campaign" and he beat Hillary Clinton "easily". Trump seemed to return the favor by waiting until Putin had arrived at the palace before leaving his hotel.
Trump heads into the summit with little clear agenda other than to strengthen his personal rapport with Putin, which he thinks is crucial to improving relations between Washington and Moscow.
Trump did not criticize Russian Federation for interfering in American elections, or for allegedly poisoning former spies on British soil, or for helping Syrian President Bashar al-Assad massacre civilians.
It is officially the third time they have met in person, but the first time in a one-to-one summit between the U.S. and Russian Federation.
Trump tweeted hours before the meeting.
If you haven't seen the press conference, have no fear; President Trump's Twitter is here.
The president flew in from Scotland, where he and his wife, Melania, spent the weekend at a golf resort he owns there.
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Finland has a long legacy of hosting US-Russian summits because of its perceived neutrality and geographic location, as per several media reports.
Asked if he believed United States intelligence agencies, which concluded that Russian Federation interfered in the 2016 election to help him defeat Democratic candidate Hillary Clinton, he said he was not convinced.
All 12 are members of the GRU, a Russian military intelligence agency.
On Friday the US Justice Department announced indictments against 12 Russian citizens for an alleged "sustained effort" to hack Democratic Party emails and computer networks.
EU President Donald Tusk suggested that US President Donald Trump was "spreading fake news" by calling Europe a US foe and urged the Trump-Putin summit on Monday to protect the world order. He said only: "We'll do just fine".
Trump is also under pressure from Britain to press Putin over the nerve agent poisoning of four people in southern England.
Trump said the meeting was a "very good start" and believes his decision to go ahead with the meeting - despite intense opposition from his political opponents - was right.
A source close to Mr Trump said the propaganda footage "crossed the line", according to Axios. I'm not going with high expectations.
Russian Federation has no extradition treaty with the United States, so it is unlikely that the Russian Federation would turn the intelligence officials over to the U.S.to stand trial.