"We had a brief talk with Trump; I answered his questions about the Black Sea incident".
Putin strode into the summit under a cloud, having drawn outrage from Europe over last week's incident in which his navy detained three Ukrainian ships and 24 sailors - causing Trump to abruptly cancel their scheduled meeting.
Gabriel's remarks came after Ukrainian President Petro Poroshenko suggested that Berlin provide military assistance to Kiev.
German Chancellor Angela Merkel took Putin to task at length over the naval spat, a day after French President Emmanuel Macron urged him to "de-escalate" the crisis.
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"I think Mr. Putin has much more clear objectives out of his relationship with United States than what President Trump has with Russian Federation".
Merkel and Putin also discussed the situation in Syria, and agreed more effort should be made to work towards the implementation of agreements by Germany, France, Turkey and Russian Federation at a summit in Istanbul in October, Seibert said.
"The freedom of shipping traffic in the Sea of Azov. must be ensured". "Russian Federation must comply with this basis", she said. Ukrainian officials say Russia has now imposed a de facto blockade on its two main ports in the Sea of Azov by allowing only ships destined for Russian ports through the strait.
Speaking to reporters, Putin lamented the lack of a formal meeting.
Poroshenko said the move was meant to prevent undercover Russian military units from entering the country after Russia seized three Ukrainian naval vessels and their crews.
Far from offering comforting words, Putin said at a post-summit press conference he saw no end in sight to the four-year conflict in eastern Ukraine "as long as the current Ukrainian authorities remain in power". But following Russia's 2014 annexation of Crimea, Moscow has asserted greater control over the passage.