The upcoming summit between President Donald Trump and his counterpart Vladimir Putin is being used by the Kremlin to divide the U.S. from Europe over the war in Ukraine, according to analysis.

European leaders are planning a meeting with President Trump before a U.S.-Russia summit, stressing that a long-term security guarantee for Ukraine is fundamental.

European leaders will hold a videoconference on Wednesday ahead of one with U.S. President Donald Trump to coordinate negotiations to end the war in Ukraine with Russia's President Vladimir Putin, a German government spokesperson said on Monday.