Meeting in Switzerland, Vice President Kamala Harris met with President Zelenskyy and announced another $1.5 billion in aid to Ukraine.

Vice President Harris announced another $1.5 billion from USAID for Ukrainian infrastructure and humanitarian needs.

Dozens of world leaders have converged on a Swiss resort to discuss how to bring peace to war-ravaged Ukraine, though any hopes of a real breakthrough are muted by the absence of Russia

Col. Oleh Avtomeenko was wounded while performing a combat mission in Donetsk region, on the first days of the Russian full-scale invasion in late February 2022.

President Joe Biden and key allies have agreed to use interest from frozen Russian assets to back a $50 billion loan for Ukraine's war efforts and economic reconstruction.

Ukrainian President Volodymyr Zelenskyy spoke at the G7 summit in Italy with U.S. President Joe Biden to announce a bilateral security agreement to strengthen defense against Russia.

President Joe Biden and Ukraine’s president, Volodymyr Zelenskyy, signed a security agreement to bolster Ukraine’s defenses for 10 years.

NATO defense ministers have approved a plan to provide reliable long-term security aid and military training for Ukraine

President Joe Biden and Ukrainian President Volodymyr Zelenskyy held a press conference Thursday on the sidelines of the G7 summit in Italy.

In a round robin, ABC News correspondents Selena Wang, Mick Mulroy, and Patrick Reevell discuss the impacts of this historical agreement.

A group of Ukrainian winemakers has visited California’s Napa Valley to learn about organic farming and how to heal land scarred by bombs and littered with mines

ABC News senior White House correspondent Selina Wang is in Bari, Italy, with the latest on the G7 summit.

The money would come from interest accrued on some $300 billion.

"We'll be sending Russia a signal of our resolve," an official said.

The agreement will help Ukraine develop military capacity and production, sources said.

Russian forces have launched new deadly attacks on Ukraine, killing at least nine people a day before a high-profile meeting where leaders of countries that are some of Ukraine’s biggest backers are to discuss how to slow Moscow’s offensive

The summit starts Thursday in Italy.

Ukraine on Tuesday launched its Unmanned Systems Forces, a new branch of its military focused on drone warfare that officials said was the first of its kind.

Ukrainian President Volodymyr Zelenskyy has appealed for short-term help in repairing his country’s electricity network and long-term investment in its energy system

The United States has lifted a ban on providing American weapons and training to a controversial Ukrainian military unit that was key to the defense of the major port city of Mariupol

The United States and Poland have launched an international operation based in the Polish capital whose mission is to help Ukraine counter Russian disinformation

Switzerland’s president says nearly 90 countries and organizations, half from Europe, have confirmed attending the Swiss-hosted Ukraine peace summit over the weekend

A senior Ukrainian military officer says that the country's air force may keep some of the F-16 fighter jets it’s set to receive from its Western allies at foreign bases to protect them from Russian strikes

Ukraine says its forces have hit an ultra-modern Russian warplane stationed on an air base nearly 370 miles from the front lines

Ukraine needs more from Biden than weapons to defeat Russia, according to experts.

President Biden tells David Muir U.S. weapons will not be used to strike Moscow or the Kremlin in response to Putin’s statement about authorization of American weapons inside Russia.

Vice President Kamala Harris will represent the U.S. at this month’s Swiss-organized global peace summit on the war in Ukraine promoted by Ukrainian President Volodymyr Zelenskyy

Ukraine has imposed emergency power shutdowns in most of the country a day after Russia unleashed large-scale attacks on energy infrastructure and claimed it made gains in the eastern Donetsk province

Nearly 1,000 people have attended a ceremony honoring the memory of Ukrainian journalist Iryna Tsybukh, who was killed in action while serving as a volunteer combat medic

Ukrainian President Volodymyr Zelenskyy has accused China of helping Russia to disrupt a Swiss-organized peace conference on the war in Ukraine

The Pentagon says that the U.S. Defense secretary reiterated the U.S.'s unwavering support for Ukraine during a security summit in Singapore.

Officials in Ukraine said Russia pummeled the country's energy infrastructure with a large-scale drone and missile attack, injuring at least 19 people

President Joe Biden has given Ukraine permission to strike inside Russia near the area of Kharkiv using American-provided weapons, a U.S. official confirmed to ABC News.

President Joe Biden has given Ukrainian forces permission to strike inside Russia with American weapons. This only applies to the border region near Kharkiv, and not for long-range strikes.

NATO foreign ministers are meeting in the Czech capital to prepare for this summer’s leaders’ summit as the alliance boosts support for Ukraine and countries one-by-one remove restrictions on how Kyiv can use western-supplied weaponry to combat Russia’...

President Biden gave the green light for Ukraine to launch American-supplied weapons into Russia, with President Vladimir Putin calling the move an escalation.

President Joe Biden has authorized Ukraine to utilize U.S.-provided munitions against military targets in only a limited area of Russia to avoid sparking a wider conflict with the West.

The large shopping complex in Ukraine’s second-largest city may have had up to 200 people inside at the time of the strike.

ABC News sat down with Col. Oleksandr Bakulin, commander of Ukraine’s 57th brigade, in a rare interview as his unit battles a Russian offensive near Kharkiv.

Russia has made "tactical gains" in the Kharkiv region of Ukraine, a military expert told ABC News.

Six people were killed in the Russian attack. Plus, more villages are being evacuated.

ABC News’ Martha Raddatz interviews Victoria Nuland on “This Week.”

ABC News’ James Longman reports on the latest in Ukraine on “This Week.”

ABC News’ James Longman reports from Kharkiv, where the latest Russian offensive threatens Ukraine’s second-largest city.

Thousands have fled Ukraine's second-largest city as Ukrainian troops struggle to hold Russia at bay in the east.

Vladimir Putin says Russia wants a buffer zone outside Kharkiv with no plans to take the city.

Ukrainian President Volodymyr Zelenskyy tells ABC News about the latest Russian offensive, "The situation is very serious. We cannot afford to lose Kharkiv."

Ukrainian President Volodymyr Zelenskyy canceled his trip to Spain and said it was important for him to be with the wounded soldiers.

Ukrainian President Volodymyr Zelenskyy speaks exclusively to ABC News’ James Longman inside a hospital in Kharkiv.

ABC News had an exclusive interview with the Ukrainian President Volodymyr Zelenskyy on Thursday.