Russian and Ukrainian officials met on the Belarusian border on Monday to discuss a ceasefire but the talks ended with no breakthrough.
Ukraine had said it wanted to secure an immediate ceasefire and the withdrawal of Russian forces while the Kremlin declined to comment on Moscow's goals.
The meeting ended with officials heading back to their respective capitals for further consultations before a second round of negotiations, RIA news agency quoted Ukrainian presidential adviser Mykhailo Podolyak as saying.
Russia calls its actions in Ukraine a "special operation" that it says is not designed to occupy territory but to destroy its southern neighbour's military capabilities and capture what it regards as dangerous nationalists.
The Western-led response has been emphatic, with sanctions that effectively cut off Moscow's major financial institutions from Western markets.
In Brussels, European Union foreign policy chief Josep Borrell said EU sanctions would have a cost for Europe "but we have to be ready to pay the price, or we will have to pay a much higher price in the future".
The EU will provide intelligence to Ukraine about Russian troop movements and EU countries are determined to increase their military support to Kyiv, Borrell said.
France said President Emmanuel Macron spoke to Putin on Monday and urged an immediate ceasefire and an end to attacks on civilians and infrastructure.
One of Afghanistan's worst earthquakes killed more than 800 people and injured at least 2,800, authorities said on Monday, as helicopters ferried the wounded to hospital after they were plucked from the rubble of homes being combed for survivors.
Israel pushed tanks deeper into Gaza City and detonated explosives-laden vehicles in one suburb as airstrikes killed at least 19 people on Monday, Palestinian officials and witnesses said.
India's Narendra Modi told Vladimir Putin on Monday that India and Russia stood shoulder to shoulder even in difficult times after the Kremlin chief cast the Indian prime minister as his "dear friend" and gave him a lift in his armoured limousine.
Chinese President Xi Jinping urged leaders to leverage their "mega-scale market", while Russian President Vladimir Putin showed support for Xi's ambition for a new global security and economic order that poses a challenge to the US during a regional summit on Monday.
South Korea has suspended a military radio broadcast that transmits to North Korea as part of measures aimed at easing tensions with Pyongyang, Seoul's defence ministry said on Monday.
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