Kyiv is trying to hammer out concessions from Moscow and iron-clad security guarantees from its allies to end the war as Russia appears to dig in on territorial claims.

Ukraine-Russia: Zelensky says 55,000 Ukrainian soldiers killed in war as Kremlin vows to fight on - Moscow pressures Zelensky to give in over Donetsk as talks continue in Abu Dhabi

Ever since its full-scale invasion of Ukraine, experts say Russia has stepped up its hybrid war on Western Europe. Attacks on critical infrastructure or using drones to shutdown airports are meant to undermine support for Ukraine.

U.S., Russian and Ukrainian negotiators are back around a table for a second round of technical talks, but in Kyiv, Russian bombs bring suffering and skepticism.

A wartime boom in Russia has given way to sluggish growth, tax hikes and squeezed public services. Will it affect the conflict in Ukraine?

High-level military communication was suspended in late 2021, as tension between Moscow and Washington rose ahead of the full-scale Russian invasion of Ukraine in February 2022.