EU leaders have agreed that Europe's team for Ukraine peace talks will comprise five major military powers – non-member Britain plus France, ‌Germany, Italy and Poland – and EU institutions, European Council President Antonio Costa said on Friday.

"Europe must speak with one clear voice and united voice in all discussion that shape the future of Ukraine and the security of our continent. ​And this is ultimately a team effort," Costa, who chairs EU summits, told a press conference at the end of ​a leaders' meeting in Dublin.

He stressed that the EU has "a central role in discussing Ukraine's European future, its reconstruction and prosperity," and security guarantees for Ukraine should be discussed "within the framework of the Coalition of the Willing, in close coordination with NATO."

EU officials said the representatives for Europe in future talks were likely to be national security advisers from the five military powers, plus delegates from the European Commission and the European Council, the body for EU governments. NATO is also expected to be represented.

The Kremlin ​said earlier on Friday that Europe must show it is ready to contribute to the Ukraine peace process before a decision ‌is made on letting Europeans join the negotiations.

The comment by Kremlin spokesman Dmitry Peskov suggests Russia has not yet committed to including Europeans in the next round of talks, despite US negotiators saying on Thursday that President Vladimir Putin had agreed to their participation.

Asked if peace talks would soon resume ⁠with the added participation of Europeans, Peskov said: "Once we understand their genuine intention and readiness to contribute to the peace process, then it ​will be possible to make a decision on holding dialogue on a Ukrainian settlement in an expanded format."

US negotiator Jared Kushner said in Moscow on Thursday that he had begun discussions with European partners ​on the continent's security architecture.

Representatives from Britain, France, Germany, Italy and the EU attended Russia-Ukraine talks in Abu Dhabi this week, where both Moscow and Kyiv ‌cited ⁠some progress, though there was no sign of a breakthrough on key issues such as territory.

(With input from agencies)