Russia's troop buildup on Ukraine's border raises tensions. Zelenskyy and Trump push for peace talks, but Moscow's refusal to hand over memorandum stalls negotiations.

Russia dramatically intensified missile and drone attacks across Ukraine this month in an effort to sap Ukrainians’ morale – but it is also stepping up ground attacks in many areas along the long frontline,

Inspectors from the U.N. nuclear watchdog have not seen signs of Russia moving to immediately restart the Zaporizhzhia nuclear power plant

German Chancellor Friedrich Merz has pledged to help Ukraine develop its own long-range missile systems that would be free of any Western-imposed limitations on their range and targets.

Russian Foreign Minister Sergei Lavrov spoke to U.S. Secretary of State Marco Rubio on Wednesday about the preparation of "concrete proposals" for a new round of direct talks with Ukraine, the Russian foreign ministry said.

Defence Minister Rustem Umerov led the Ukrainian delegation to the May 16 talks, the first between the warring nations since spring 2022. The Russian team was led by Vladimir Medinsky.

Russia and Ukraine swapped hundreds more prisoners on Sunday, the Russian defense ministry said. The announcement came hours after a massive Russian drone-and-missile attack targeted Ukraine.