President Zelensky said that although Russia has now occupied about 26% of Ukraine's territory, Ukraine has managed to stop further advance of Russian troops.
Russian troops fired more than 130 shells at Kherson region, wounding one person during 36 attacks over the past day.
President Zelenskiy said Ukraine needs a change of leadership and a "reset" when asked about the possible resignation of Armed Forces Commander Valeriy Zaluzhny.
According to the Ukrainian military, since the invasion of Ukraine in February 2022, the Russian military has suffered significant losses - more than 389,000 personnel and thousands of pieces of equipment.
Biden's national security adviser said that personnel decisions in the Ukrainian army are the sole responsibility of the Ukrainian authorities.
Ukrainian troops repelled 21 attacks near Avdiivka, while the enemy unsuccessfully tried to improve their tactical positions in many areas of the frontline.
The Russian military shelled Nikopol, Dnipropetrovs'k region, twice with heavy artillery, damaging buildings, including an administrative building and private homes, but causing no casualties.
President Zelenskyy said that Russia sees Dnipro region as one of the main targets for terrorist attacks using missiles and drones.
According to the Defense Ministry, this week Ukrainian troops eliminated more than 6,600 Russian soldiers and destroyed hundreds of pieces of military equipment.
Ukrainian troops destroyed more than 50 Russian soldiers and a drone control center in Kherson region.
Russia has not yet repaired the Askold small missile ship, which was damaged during the Ukrainian attack in Kerch in November.
The Russians are trying to find safer places to launch missiles after a Ukrainian strike on the Belbek airfield in Crimea destroyed aircraft and a command post.
The Ukrainian military does not confirm reports of the death of a Russian general during a strike on the Belbek airfield in Crimea.
Russia-backed militants shelled 22 settlements in Pologivskyi and Vasylivskyi districts of Zaporizhzhia region with artillery, damaging residential buildings.
Since the beginning of the invasion of Ukraine, Russian troops have lost approximately 388,750 personnel and 6,343 tanks.
Over the past day, Ukrainian troops repelled 66 combat engagements and missile and air strikes by Russian troops in various parts of the frontline.
According to the General Staff, Ukrainian aviation destroyed enemy personnel, missiles and drones in 12 areas.
The Deputy Minister of Defense of Ukraine noted that modern and civilized approaches to strengthening the country's defense capabilities should be established for each period of "pre-service," "during service," and "post-service.
Soldiers of the 72nd Separate Mechanized Brigade named after the Black Zaporozhians destroyed a column of Russian armored vehicles that was on its way to storm the positions of the Ukrainian Armed Forces near the village of Novomykhailivka, Donetsk region.
The head of the press and information department of the Ministry of Defense said that the new draft law on mobilization contains convenient mechanisms in addition to sanctions to better provide certainty and a strategic advantage for the Ukrainian armed forces.
A convoy of 10 Russian military trucks was moving from Staryi Krym to Grushivka in occupied Crimea, Krymskiy Vetr reports.
President Volodymyr Zelenskyy presented 30 certificates for apartments to 15 Heroes of Ukraine and 15 families of fallen soldiers who were posthumously awarded the title of Hero of Ukraine.
Heavy fighting is taking place along the entire frontline in the Kupyansk sector as Ukrainian troops try to defend their positions, while the enemy continues assault operations and brings in new reserves, said Colonel-General Oleksandr Syrskyi, commander of the Ukrainian Armed Forces.
Russian aircraft continue to bomb southern Ukraine, trying to prove that they still have potential in the air.
Over the past day, the enemy fired 131 times at 19 localities in Zaporizhzhia region, with no Ukrainian troops suffering any casualties.
The Kharkiv region came under artillery and mortar fire from Russia, which hit several settlements, while Ukrainian troops repelled the attacks and cleared the area of mines.
Since the beginning of the invasion of Ukraine, Russian troops have lost approximately 387,940 personnel and 6341 tanks.
According to the General Staff, Ukrainian troops repelled 77 combat engagements in various parts of the frontline over the past day.
Over the past day, the Ukrainian military conducted 10 air and missile strikes against Russian troops, hitting 3 ammunition depots, 1 artillery installation and areas of enemy manpower and equipment concentration.
Ukrainian Air Force shoots down 9 out of 14 Russian attack drones launched at night in Dnipropetrovs'k, Odesa, Mykolaiv and Zhytomyr regions.