Russia-Ukraine updates: Putin suspends key US-Russia nuclear treaty in speech denouncing West

President Vladimir Putin said he'd sought an "open dialogue" with the West.

ByMorgan Winsor, Emily Shapiro, Meredith Deliso, Nadine El-Bawab, Bill Hutchinson, Ivan Pereira, Patricio Chile, Kevin Shalvey, Julia Jacobo, Teddy Grant, Jon Haworth, and Mary Kekatos
Last Updated: February 24, 2023, 5:53 AM EST

Almost a year after Russian President Vladimir Putin launched a full-scale invasion of neighboring Ukraine, the two countries are engaged in a struggle for control of areas throughout the east and south.

Putin's forces pulled out of key positions in November, retreating from Kherson as Ukrainian troops led a counteroffensive targeting the southern port city. Russian drones have continued bombarding civilian targets throughout Ukraine, knocking out critical power infrastructure as winter sets in.

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Latest headlines:

Here's how the news is developing. All times Eastern.
Nov 17, 2022, 12:57 PM EST

Ukrainian officials refute US estimates on number of killed, injured soldiers

Top Ukrainian security officials are refuting U.S. estimates of how many Ukrainian soldiers have been killed or injured in the war. Last week, the U.S. chair of the Joint Chiefs of Staff, Gen. Mark Milley, said around 100,000 Ukrainian troops have been killed or injured.

Ukrainian officials are now saying that figure is "not entirely true."

Oleksiy Danilov, Ukraine's secretary of National Security and Defense Council, said the casualty figures are "definitely not those."

-ABC News' Tom Soufi Burridge

Nov 17, 2022, 11:35 AM EST

Biden says Zelenskyy's statements on Poland missile incident are 'not evidence'

President Joe Biden was asked by reporters Thursday what his reaction was to Ukrainian President Volodymyr Zelenskyy denying that the missile that landed in Poland was Ukrainian.

"That's not the evidence," Biden responded.

On Wednesday, the White House told reporters it had "seen nothing" to contradict the assessment that the explosion in Poland was likely caused by a Ukrainian defense missile.

"We will continue to assess and share any new information transparently as it becomes available. We will also continue to stay in close touch with the Ukrainians regarding any information they have to fill out the picture," National Security Council spokesperson Adrienne Watson said in a statement.

-ABC News' Lauren Minore

Nov 16, 2022, 3:00 PM EST

Zelenskyy disputes claim that missile blast in Poland was fired by Ukraine's air-defense system

Ukrainian President Volodymyr Zelenskyy pushed back Wednesday against claims that a Ukrainian defense missile landed in Polish territory on Tuesday, killing two.

Polish President Andrzej Duda said Wednesday that the Russian-made missile likely came from Ukraine's air-defense system.

U.S. Defense Secretary Lloyd Austin said he backs Duda's assertion.

-ABC News' Luis Martinez, Matt Seyler and Tom Soufi Burridge

Nov 16, 2022, 12:48 PM EST

Ukrainian air defense missile likely caused deadly blast in Poland: US official

The U.S. believes that the missile strike was likely due to a Ukrainian air defense missile, according to a U.S. official. The missile strike killed two Polish civilians.

-ABC News' Luis Martinez

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