These are the key developments from day 1,424 of Russia’s war on Ukraine.

KYIV, Ukraine (AP) — Russia launched a second major drone and missile bombardment of Ukraine in four days, officials said Tuesday, aiming again at the power grid and apparently snubbing U.S.-led peace efforts as the war approaches the four-year mark.

Ukraine is using drone-based kill zones and attrition tactics to exhaust Russia’s offensive, forcing Moscow to adapt with robots and small-unit assaults.

Up to 25,000 Russian soldiers are being killed every month, NATO Secretary General Mark Rutte said this week.

If American officials approve the proposals, the U.S. and Ukraine could sign the documents next week at the World Economic Forum in Davos, Switzerland.

Russia attacked Ukraine overnight with 242 drones and 36 missiles, the Ukrainian Air Force said Friday morning.

With the sides far apart on key issues as Russia’s full-scale invasion of Ukraine approaches the four-year mark, analysts say the deadliest conflict in Europe since World War II is unlikely to end in 2026.

Russia's "massive" military losses in Ukraine are unsustainable, NATO's secretary general warned with the conflict about to enter its fourth year with no clear end in sight.

Fire Point’s technical director Iryna Terekh, a former architect who shifted gears at the start Russia’s full-scale invasion, is laser-focused on effectiveness: “I’d love to make something that looks beautiful and leaves you short of breath,

Ukraine's Foreign Minister Andrii Sybiha has urged the International Atomic Energy Agency (IAEA) and leading global powers to force Russia to abandon its plans for strikes on substations supplying Ukraine's nuclear power plants.