The Kremlin has been left stunned after a former key ally has said it is planning to quit a Russian-backed military alliance. The Collective Security Treaty Organization (CSTO) is Russia 's version of NATO, whose members are mostly former Soviet states.

Flight data showed how American and British reconnaissance aircraft flew from England toward Russia on Monday.

President Donald Trump is anticipated to meet with NATO chief Mark Rutte, make a "major" announcement on Russia, and join an AI and energy summit during his 26th week in office.

Russia sent hundreds of drones toward Ukraine overnight into Wednesday, with four key regions coming under heavy attack and President Volodymyr Zelensky’s hometown facing “massive” bombardment, officials said.

The large-scale long-range attacks targeted energy infrastructure, Ukrainian President Volodymyr Zelenskyy said on X.

NATO Secretary General Mark Rutte has repeatedly said that Moscow’s annual ammunition production capacity is four times greater than that of the western alliance. View on euronews

NATO Secretary General Mark Rutte warned that Brazil, China and India will face secondary sanctions from the US if Russia doesn’t negotiate a peace deal with Ukraine, and said they should lean on President Vladimir Putin to agree to a ceasefire.

Russia is brushing aside Trump's 50-day tariff ultimatum to Vladimir Putin. On Tuesday, top officials dismissed the impact of new sanctions and secondary tariffs. Russia is already swamped by sanctions, but Trump also warned of new tariffs for its oil customers.

The Pentagon and U.S. military officials in Europe are working with NATO members to ship more Patriot missile systems to Ukraine and release more munitions that were briefly halted.