"As long as they stay in power, war will continue. Why?"
Ukraine has also barred Russian men between 16 and 60 from crossing its borders, citing the desire to prevent the formation of Russia-led "private armies" in the country.
'We had no discussion. "Trump has his own position on the incident, which is different from that of Russian Federation; in any case, I informed him", Putin said.
European participants were trying to put up a united front at the summit and were concerned that Trump was using it to advance his own goals via bilateral meetings.
The Russian leader has warned that if the United States deploys intermediate-range missiles that are now banned under the treaty to Europe, Russia will have to target the nations that would host them.
But in a rhetorical olive branch to Trump, Xi pledged to do more to open up China's economy.
China will have to give way on "fairness and reciprocity", he said, warning that USA concerns over intellectual property theft and China's forced technology transfers "must be solved".
"This is the final communiqué of the lowest ever seen at a G20 meeting", said to AFP Thomas Bernes, an expert of the Centre for International Governance Innovation and a former negotiator for canada of the summit, born ten years ago in the midst of the financial crisis and which will be held next year in Japan. The US Senate unanimously accused Moscow of aggression.
Blitzer then asked if it had nothing to do with the Cohen news.
Australia and United States reaffirm economic ties at G20.
President Trump and Russian leader Vladimir Putin had an "informal" conversation at the Group of 20 Summit in Buenos Aires on Friday, the White House said.
Donald Trump has welcomed a "meeting unbelievable and productive, opening up unlimited possibilities for China and the United States".
"They started running away, so that's it", the Russian president said.
Trump had been scheduled to meet with Putin on December 1 for talks that the Kremlin had said could last two hours - the first major meeting between the two since a summit in Helsinki in July, after which he faced criticism for seeming to accept Putin's assertion that Moscow did not meddle in the election that he won in 2016.
"But a good deal means both sides walking away happy".
With Trump feuding with close U.S. allies, two major summits this year - the Group of Seven democracies and the Asia-Pacific Economic Cooperation forum - ended without once-routine statements. European officials said that the United States was blocking progress on fixing world trading rules, fighting climate change and dealing with migration.
Trump was attacked for destroying the group's past unity on trade and climate change.
In Buenos Aires on Saturday, Trudeau told a news conference that he directly pressed Putin about actions that resulted in the Russian seizure of three Ukrainian naval vessels near Crimea - a message that top Ukrainian officials wanted Trudeau to relay.
Complicating the already complex diplomatic landscape, Russian Federation shot at Ukrainian ships and captured three vessels on Sunday, prompting the government in Ukraine to accuse Moscow of preparing for "full-scale war".