"Thousands have been killed and injured, and millions remain internally displaced or out of the country," Eric Mose, chair of the Commission of Inquiry on Ukraine, wrote in the report.

The amount of aid given to Ukraine is emerging as a fissure in the 2024 GOP primary, posing a new test of the Republican grassroots' desire for overseas involvement.

Presidential candidate Will Hurd on Sunday said he stood out from Trump and DeSantis in the Republican primary field because of his views on foreign policy and Ukraine

Russian forces are committing war crimes in Ukraine, including "widespread and systematic" torture, the Independent International Commission of Inquiry on Ukraine found.

The Poloz-M16 costs around $2,500 and can fit a UAG-40 grenade launcher.

Ukraine has increasingly targeted naval facilities in Crimea in recent weeks.

"It’s going to be a long and hard war and we need to get ready for that," one soldier said.

Ukraine wants to spend more than $1 billion to build an army of drones.

Ukrainian forces are making small but strategic gains on the battlefield, and launched a major missile attack on a Russian base in Crimea.

Public concerns that the U.S. is doing too much to support Ukraine in its war with Russia have notched up in an ABC News/Washington Post poll.

Ukraine attacked the headquarters of Russia’s Black Sea Fleet.

ABC's Tom Soufi-Burridge gives the latest on that strike on the headquarters of Russia’s Black Sea fleet.

Russia says Ukraine carried out a strike on the HQ of its Black Sea Fleet.

As Russia's war against Ukraine wears on, Ukrainian fighters are using 'combat kayaks' and other innovative means to fight back.

The actor and humanitarian says his film “Superpower” was initially intended to document Volodymyr Zelenskyy’s rise from actor to president.

Russia's Defense Ministry says a missile attack in annexed Crimea killed a serviceman and blames 'Kyiv regime'

President Biden welcomed Ukrainian president Volodymyr Zelenskyy to the White House after both leaders spoke earlier in the week at the U.N. General Assembly.

Ukrainian President Volodymyr Zelenskyy also met with congressional leaders at the Capitol to lobby for more aid.

ABC News White House correspondent Mary Alice Parks on President Biden’s and President Zelenskyy’s face-to-face.

Our panel discusses the Ukrainian president’s plea for U.S. funding and the deadlock on Capitol Hill.

Plus, Congressman Kelly Armstrong (R-ND) shares his thoughts on the Hill. And, the trial begins for the officers charged in Elijah McClain’s death.

U.S. President Joe Biden announced Thursday a new military aid package for Ukraine worth hundreds of millions of dollars.

Ukrainian President Volodymyr Zelenskyy arrived in Washington on Thursday to make the case for continued aid amid a showdown between House Republicans on spending.

Delaware Sen. Chris Coons discusses Ukrainian President Volodymyr Zelenskyy’s visit to Capitol Hill on Thursday.

House Speaker Kevin McCarthy's speakership comes into question as Ukraine's president arrives to request more aid.

Poland’s prime minister says his country is no longer sending arms to Ukraine

Ukrainian President Volodymyr Zelenskyy met with bipartisan members of Congress and Pentagon officials, asking hesitant lawmakers to approve more aid for Ukraine.

Ukrainian authorities say Russian missiles pounded cities across Ukraine, starting fires, killing at least five people and trapping others under rubble

Volodymyr Zelenskyy avoided a potential face-off with Russian Foreign Minister Sergey Lavrov during his first in-person appearance before the U.N. Security Council.

ABC News’ Tom Soufi-Burridge reports on the Russian missile barrage striking targets across Ukraine.

The Ukrainian leader heads to the White House as President Joe Biden tries to rally support to send more military aid to Ukraine.

President Joe Biden is seeking an additional $24 billion in security and humanitarian aid for Ukraine.

Video shows flames and thick black smoke near the site of the attack.

President Joe Biden called on world leaders to continue supporting Ukraine and address climate change as a government shutdown looms.

The secretary of state joins “GMA” to discuss a number of issues affecting the United States, from its southern border, to China and more.

President Biden is calling for billions of dollars in addition aid for the war in Ukraine, but not all lawmakers are on board. ABC News' Justin Finch has the new details.

House Speaker Kevin McCarthy said he has questions for President Zelenskyy when he comes to Washington amid a GOP clash over further aid to the war-torn nation.

President Joe Biden on Tuesday issued a defense of American leadership abroad and reiterated U.S. support for Ukraine during a high-profile speech at the United Nations.

President Joe Biden on Tuesday issued a defense of American leadership and reiterated U.S. support for Ukraine during a speech at the United Nations.

With Russia’s top diplomat just feet away, Zelenskyy condemned Russia's aggression towards Ukraine and called for the assembly's continued support of Ukraine.

Pope Francis urged all people to do their part to address the world’s problems, especially climate change and the care of children, to open The Clinton Global Initiative Monday in New York in a talk with former President Bill Clinton

Russia is calling a Ukrainian case alleging that Moscow abused the Genocide Convention to justify its invasion last year an “abuse of process.”

The war in Ukraine and its visiting president take center stage at the United Nations this week

Days before President Zelenskyy’s trip to the U.S., Ukraine took back two villages near the Russian-held city of Bakhmut.

The U.N.’s World Heritage Committee has placed two major historical sites in Ukraine on its list of such sites that it considers to be in danger

Ukrainian officials say their forces recaptured a war-ravaged settlement in the country’s embattled east — a small territorial win in a churning counteroffensive marked so far by small victories but no major breakthroughs

Ukrainian President Volodymyr Zelenskyy is expected to visit Washington, D.C. next week, multiple sources familiar with the preparations told ABC News.

A new "army of drones" is taking the war to the heart of Russia as Ukrainian forces launch drone strikes on Moscow and Russian territorial waters.

ABC News' Ian Pannell gets a rare look inside Ukraine's drone factories and training centers as it reshapes the war against Russia through its use of high-tech drones.

Russian authorities say a Ukrainian attack on a strategic shipyard in Crimea wounded 24 people, damaged two ships undergoing repairs and caused a fire at the facility