Ukraine's Zelenskyy says constitution prevents territorial surrender to Russia as international leaders discuss potential peace negotiations with Moscow.

The president of Ukraine and his European allies are to visit the White House on Monday, after President Trump backed Russia’s plan to end the war.

After a high-stakes summit in Alaska, US envoy Steve Witkoff says Russia agreed to “game-changing” security guarantees for Ukraine.

In particular, cutting off the “shadow fleet” of tankers that deliver Russia’s oil under the radar would send the war economy into a “deep financial crisis,” according to Robin Brooks, a senior fellow at the Brookings Institution and former chief economist at the Institute of International Finance.

Russian media have been reacting to Trump's growing criticism of Putin, the most recent being on Tuesday when he accused the Russian leader of peddling "bulls***" over his intentions in Ukraine, after rejecting U.S. ceasefire proposals.

A fire at an industrial plant in Russia’s Ryazan region has killed 11 people and injured 130. The blaze broke out Friday at the Elastik plant in the Shilovsky District.

US President Donald Trump and Russian President Vladimir Putin are heading to Alaska for pivotal talks that could unlock a long-sought peace deal between Russia and Ukraine.

Russian President Vladimir Putin on Friday signed a decree that could allow foreign investors, including top U.S. oil major Exxon Mobil , to regain shares in the Sakhalin-1 oil and gas project.