Former Swedish Foreign Minister Tobias Billström said after the Ukraine war, Europe must be ready for further Russian aggression.

At least three oil tankers have been hit by explosions in what appears to be a stepped up unilateral effort by Ukraine to sink Russia's sanctions-dodging oil sales.

Russia attacked two Ukrainian ports on Friday, damaging three Turkish-owned vessels including a ship carrying food supplies, Ukrainian officials and one ship owner said, days after Moscow threatened to cut "Ukraine off from the sea".

The U.N. passed the resolution on Thursday, with few countries—such as Russian ally Belarus, China and North Korea —voting against it. A representative of the U.S. delegation said its vote was not related to its stance on Ukraine or nuclear safety, but to the resolution's references to the 2030 Agenda for Sustainable Development.

Russia's growing aggression prompts NATO warning as recent railway blast in Poland and airspace violations signal escalating security threats across Europe.

The Kremlin said on Sunday that NATO Secretary General Mark Rutte's remarks about preparing for war with Russia were irresponsible and showed that he did not really understand the devastation wrought by World War Two.

NATO Secretary-General Mark Rutte issued a stark warning to Western allies about the reality of the threat posed by Russia, as negotiations are making slow progress to end the war in Ukraine and the U.S. pressures Kyiv to make painful compromises with the Kremlin, including on territorial concessions.

Ukrainian President Volodymyr Zelenskyy has reaffirmed his strong refusal to cede any territory, resisting U.S. pressure for painful concessions to Russia as he moved ahead Tuesday to rally more European support for his country.

Russian Foreign Minister Sergey Lavrov on Thursday demanded that the Trump administration explain why Venezuela’s oil tanker was seized by U.S. forces. “I really hope that the United

North Korean leader Kim Jong Un attended a welcoming ceremony for an army engineering unit that had returned home after carrying out duties in Russia, the North's KCNA news agency reported on Saturday.