EU foreign ministers formally agreed to prolong to January 2016 damaging economic sanctions against Russia to ensure it fully implements Ukraine peace accords.
Greece does not want any more help from the IMF, minister of state Nikos Pappas said on the eve of a summit.
The International Monetary Fund, deadlocked with Greece over further financial aid, approved a new loan installment for Cyprus.
European Commission chief Jean-Claude Juncker voiced frustration with Greek Prime Minister Alexis Tsipras in a media report amid the deepening debt crisis.
EU member states agreed to extend damaging economic sanctions against Russia over the Ukraine crisis by another six months to the end of January 2016.
IMF chief Christine Lagarde warned that a resolution to five months of tortuous debt talks with Greece required "adults in the room" in an apparent sideswipe at Greek officials.
Moscow will extend its embargo on European Union agricultural products but is unlikely to go further if the EU extends sanctions as expected.
Greek Prime Minister Alexis Tsipras called European Commission chief Jean-Claude Juncker, their first contact on the stand-off over a bailout deal since last week.
Italy and France engaged in a war of words as a standoff over hundreds of Africans offered a graphic illustration of Europe's migration crisis.
Crunch bailout talks between Greece and its EU-IMF creditors ended without a deal on Sunday, with a "significant gap" still remaining.
Greece's creditors piled pressure on cash-strapped Athens as the IMF pulled its team out of talks and the EU warned Athens to stop gambling with the possibility of default.
The EU's Economic Affairs Commissioner Pierre Moscovici said he believed "more than ever" that a debt deal was possible between Greece and its creditors.
Greek Finance Minister Yanis Varoufakis warned that EU leaders had a duty to avoid a historic "failure" and urged a swift accord in Greece's debt talks with its creditors.
Prime Minister David Cameron was put on notice that 50 of his own backbenchers will lead calls for Britain to quit the EU if he does not secure major concessions from Brussels.
European Commission President Jean-Claude Juncker refused a request from Prime Minister Alexis Tsipras to talk on the phone.
European Commission head Jean-Claude Juncker said that "challenging" negotiations with Greece would continue, after late-night talks with premier Alexis Tsipras broke up without a deal.
Greece still rejects some of the reform plans put forward by its EU-IMF creditors but sees a willingness to reach a deal in coming days.
European parliament head Martin Schulz said the Russian ambassador to the EU was barred access to the institution in retribution for a travel ban imposed by Moscow.
Britain could lose its prized EU veto on some subjects if it opts out from the commitment to "ever closer union" in the bloc's treaties under David Cameron's reform plans.
Macedonian political leaders agreed to hold elections in early 2016 in order to overcome a deep political crisis, EU enlargement commissioner Johannes Hahn said.