An F-16 fighter jet given to Ukraine reportedly shot down an advanced Russian plane thanks to the assistance of a Swedish reconnaissance aircraft. German newspaper Bild said the Russian Sukhoi Su-35 jet had been downed in the northeast of the country in an operation it described as a "historic first.

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The overnight strike targeted the Savasleyka airfield in Russia's Nizhny Novgorod region, which the Kremlin uses to launch MiG-31K jets armed with Kinzhal hypersonic missiles, according to the General Staff.

Ukraine experienced the largest Russian drone attack since the onset of the war, with nearly 500 drones launched in a single night.

Ukraine said its drones hit a Russian research and production facility that supplies components for missiles, as Russia unleashed a fresh barrage of air attacks overnight.

Russia claimed Sunday that its forces are for the first time pushing into the central Ukrainian region of Dnipropetrovsk, an area it has been trying to reach for months, in a move that could create new problems for Kyiv’s much-stretched forces.

The Russian Ministry of Defense said soldiers have advanced into the Dnipropetrovsk region in south-central Ukraine.

Russia said its ground forces crossed into Ukraine’s central Dnipropetrovsk region for the first time, a symbolic milestone in their grinding offensive as prospects for a US-brokered ceasefire remain elusive.