Shelling has hit southern Ukraine, while Russia sought to defend its seven-month war even as it moves to escalate the conflict with the expected annexation of regions in the east and south that its forces have seized.
Ukraine says it aims to liberate all of its territory after driving back Russian forces in the northeast of the country in a rapid offensive, but called on the West to speed up deliveries of weapons systems to back the advance.
Ukrainian forces have swept further across territory seized from fleeing Russian troops, as Moscow grapples with the consequences of the collapse of its occupation force in northeastern Ukraine.
Ukrainian forces have seized an expanding area of previously Russian-held territory in the east in a "very sharp and rapid" advance, a Russian-installed regional official says, in a breakthrough that might mark a turning point in the war.
Explosions have erupted overnight near military bases deep within Russian-held areas of Ukraine and in Russia itself, an apparent display of Kyiv's growing ability to wreak havoc on Moscow's logistics far from front lines.
Explosions have rocked an ammunition depot and disrupted trains in Russian-annexed Crimea, the latest such incident in a region Moscow uses as a supply line for its war in Ukraine.
Ukraine has accused Russia of exploiting its position in the nuclear power plant it seized to target a nearby town in a rocket attack that killed at least 13 people and left many others seriously wounded.
Ukraine is pressing ahead with efforts to restart grain exports from Odesa and other ports after a missile attack that cast doubt over whether Russia will honour a deal aimed at easing global food shortages.
Russia is preparing for the next stage of its offensive, a Ukrainian military official says, after Moscow indicated its forces would step up operations.
Ukrainian defenders are battling to contain Russian forces along several fronts, as the United States urged China to align itself with the West in opposing the invasion following an ill-tempered G20 meeting.
Ukraine's President Volodymyr Zelenskiy has hailed the European Union's expected offer of candidate status for his battle-weary nation, as Russian forces continue to pound Ukraine's second-biggest city Kharkiv and the eastern Donbas region.
The war in Ukraine could last for years, the head of NATO says, as Russia stepped up its assaults after the European Union recommended that Kyiv become a candidate to join the bloc.
Ukrainian forces claim to have pushed forward in intense street fighting in the eastern city of Sievierodonetsk but say their only hope to turn the tide is more artillery to offset Russia's massive firepower.
Russia has struck Ukraine's capital Kyiv with missiles for the first time in more than a month, while Ukrainian officials say a counterattack on the main battlefield in the east had retaken half of the city of Sievierodonetsk.
Ukraine claims to have recaptured a large chunk of territory in the devastated eastern city of Sievierodonetsk and foiled an attempted advance by Russian troops on the 100th day of Moscow's invasion.
Ukrainian forces are resisting a Russian assault on Sievierodonetsk, the largest city they still hold in the eastern Donbas region, but are weathering heavy artillery barrages.
