Ukrainian long-range drones attacked an industrial plant around 1,300 kilometers (800 miles) inside Russia, local officials said Tuesday, while Ukraine’s army remained locked in an intense battle to hold back a Russian push on the key city of Pokrovsk in the eastern Donetsk region.

Russia said on Monday that its troops had advanced in the eastern Ukrainian city of Pokrovsk, a transport and logistics hub that they have been trying to capture for over a year, but Ukraine said its forces were holding on.

Ukraine has shown "remarkable commitment" to its bid for EU membership despite Russia's full-scale war, but must urgently reverse negative trends in the fight against corruption and step up rule of law reforms,

Western analysts say the attacks on energy infrastructure so far have had a serious — but not crippling — effect. Ukrainian drones have repeatedly hit 16 major Russian refineries, representing about 38% of the country’s nominal refining capacity, according to a recent review by the Carnegie Endowment, a U.S.-based think tank.

In previous sieges during the almost four years since Russia launched its all-out invasion of its neighbor, Ukraine has pulled out of some places to avoid losing troops. Ukrainian forces are desperately short-handed against Russia’s bigger army.

As Zelenskyy lauds Europe and the U.S. for ramping up economic pressure on Putin over the war in Ukraine, Moscow dismisses them as a counterproductive "act of war."

Russia’s waging the world’s first war aimed at obliterating internet use in the target country, but Ukraine’s resistance is winning, says a top scholar on the conflict.

Al Jazeera interviews the Western Balkans leader as fears rise across Europe of a spillover effect from the Ukraine war.