Ukrainian President Volodymyr Zelenskyy says that counteroffensive and defensive actions are underway against Russian forces

The average water level is more than 5 meters, according to Regional Governor Oleksandr Prokudin.

Officials say at least 4,000 people have been evacuated.

This comes on the heels of the destruction of a major dam in the Zaporizhzhia region, which Ukraine is blaming on Russia.

India says it is not planning to invite Ukraine to the G20 summit of industrialized and developing nations in September

Video verified by ABC News showed large quantities of beached fish lying on the depleted shoreline of the Dnipro River.

Video shared by a Ukrainian official and verified by ABC News shows a large number of dead fish after the collapse of the Kakhovka dam.

ABC News’ Tom Soufi Burridge reports from southeastern Ukraine on the humanitarian emergency forcing thousands of people to leave their homes.

A major breach at a dam near Kherson has devastated nearby communities.

A section of a strategically vital Ukrainian dam and hydroelectric powerplant under Russian control has been blown up and Ukraine and Russia are blaming each other for the breach.

A major dam in southern Ukraine has collapsed, flooding villages, endangering crops in the country’s breadbasket and threatening drinking water supplies

A section of a strategically vital Ukrainian dam and hydroelectric powerplant under Russian control has been blown up as both Ukraine and Russia are blaming each other.

ABC News' national security and defense analyst Mick Mulroy breaks down what happened in Ukraine and which side benefits the most from the collapse.

Ukraine is accusing Russia of planting explosives at the Nova Kakhovka Dam and warns of ecological disaster.

Lawyers for Ukraine have told the United Nations’ top court that Russia bankrolled a “campaign of intimidation and terror” by rebels in eastern Ukraine starting in 2014 and sought to replace Crimea’s multiethnic community with “discriminatory Russian n...

Ukrainian officials have accused Russia of planting explosives alongside the Kakhovka dam.

Ukraine on Tuesday accused Russian forces of blowing up a major dam and hydroelectric power station.

Well-equipped Ukrainian combat forces are now in "assembly areas," close enough to front line areas, meaning they could soon launch a concerted attack on Russian forces.

Unclear if the attack in Donetsk was the start of a Ukrainian counteroffensive.

A desperate search for survivors as Ukraine plans a counteroffensive to take back Russian-occupied land.

ABC News’ Tom Soufi Burridge reports from Ukraine on “This Week."

Ukraine’s Pres. Zelenskyy signaled that his troops are ready, but also told the Wall Street Journal that "a large number of soldiers will die."

A group of friends in Kyiv, the Ukrainian capital, opened what they call the first military-meme art bar: Offensive.

Journalists from countries that Russia regards as unfriendly have been banned.

Ukrainian missiles have struck deep inside Russian-occupied territory in the south, and artillery attacks have been stepped up across Ukraine's northern border into Russia.

U.S. Secretary of State Antony Blinken says the United States and its allies should not support a cease-fire or peace talks to end the war in Ukraine until Kyiv gains strength and can negotiate on its own terms

Dramatic dash camera footage shows a projectile falling from the sky in Kyiv and crashing into a busy roadway, narrowly missing a moving car.

National Security Council Coordinator John Kirby announces another $3 million military assistance package for Ukraine, including air defense systems.

ABC News’ Tom Soufi Burridge has more on Russia’s reaction to Ukraine’s alleged drone attacks near Moscow this week.

Russia says it reserves the right to respond in the toughest way possible after Tuesday’s drone attacks on Moscow.

ABC News' Linsey Davis spoke with former U.S. ambassador to Ukraine Marie Yovanovitch, author of "Lessons from the Edge," about the state of the war in Ukraine.

International Monetary Fund has signed off on an initial loan of $900 million and raised its estimate for the country’s economic growth

Several drones struck Moscow early on Tuesday, damaging residential buildings in the Russian capital, the mayor said.

There is activity at the Kharkiv Institute of Physics and Technology, but it’s not what scientists at this cutting-edge nuclear laboratory trained for

With Ukraine making final preparations for a major counteroffensive, Russia launches more than 120-cruise missiles in largest strike on the capitol since the start of the war.

Explosions have rattled Kyiv during daylight as Russian ballistic missiles fell on the Ukrainian capital

ABC News foreign correspondent Tom Soufi Burridge is in Kharkiv, Ukraine, with the latest as Ukrainian forces defend Russia's most recent barrage of Iranian-made drones and missiles.

A series of Russian drones and cruise missiles targeted Kyiv on Monday morning, one day after the largest drone strike on the Ukrainian capital since the start of the war.

Ukraine's capital is sleepless as a Russian air campaign terrorizes citizens.

Russia launched its largest drone attack since the start of the war in Kyiv. Ukrainian officials said they downed nearly all the 54 Iranian-made drones.

Ukraine's Kostyuk was booed at French Open after no handshake with Belarusian.

Local officials in Ukraine's capital say Kyiv has been subjected to the largest drone attack since the start of Russia’s war as the city prepared to mark the anniversary of its founding

The Commander of Ukraine's Armed Forces Valeriy Zaluzhny posted a video on social media saying “It’s time to take back what’s ours.”

The “large-scale provocation” is designed to put fighting on pause, Kyiv says.

At least two people have died in strikes on Russian territory. One person died in the Belgorod region and another died in the Kursk region.

At least two people were killed and several were injured, including children, in the attack in Dnipro.

Ukranian widows and volunteers from the Tragedy Assistance Program for Survivors work to aid families who have lost family to the war and to urge lawmakers to continue aid to victims.

A leading defense company says the German military has ordered 18 new Leopard 2 tanks to replace vehicles that were sent to Ukraine earlier this year

Ukrainian President Volodymyr Zelenskyy delivered a surprise commencement address via livestream at Johns Hopkins University in Baltimore on Thursday

A generation of Ukrainian children have seen their lives upended.