Leaders of the G7 industrial nations meeting in Brussels say they are prepared to impose further sanctions on Russia over its actions in Ukraine.
A joint statement condemned Moscow for its “continuing violation” of Ukraine’s sovereignty.
The summit is the first since Russia was expelled from the G7 following its annexation of Crimea in March.
Earlier in Poland, US President Barack Obama warned Moscow against what he called its “dark tactics” in Ukraine.
Mr Obama is on a three-state European tour ending with the 70th anniversary of the D-Day landings in France on Friday.
Russian President Vladimir Putin will also be at the ceremony.
Although President Putin is not attending the Brussels summit, he will hold face-to-face talks with some G7 leaders – not including President Obama – in Paris afterwards.
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