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.

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.
Oct 25, 2022, 12:42 AM EDT

Blinken again speaks with Ukrainian counterpart, 2nd time in as many days

U.S. Secretary of State Antony Blinken spoke with his Ukrainian counterpart, Foreign Minister Dmytro Kuleba, on Monday after having a call with him on Sunday, and the "rhetoric surrounding so-called dirty bombs" was again on the agenda.

"The secretary reaffirmed enduring U.S. support for Ukraine in the face of continued Russian aggression, atrocities and rhetoric surrounding so-called 'dirty bombs' in Ukraine," State Department spokesperson Ned Price said in a statement. "He noted our commitment to work with allies and partners to continue meeting Ukraine's security assistance needs on the battlefield."

Blinken tweeted: "Connected with @DmytroKuleba again today. It is important to once again emphasize that U.S. support for Ukraine is concrete, comprehensive and enduring."

-ABC News' Shannon Crawford

Oct 24, 2022, 9:16 AM EDT

Russian commander says troops readied in case of 'radioactive contamination'

A senior commander of the Russian military said Monday that his troops have been readied to operate "in the conditions of radioactive contamination," amid Moscow's allegation that Ukraine is preparing to use a "dirty bomb" on its own territory.

"Work has been organised by the [Russian] Ministry of Defense for combating possible provocations from the side of Ukraine: forces and equipment have been put in readiness for fulfilling tasks in the conditions of radiative contamination," Kirillov said during a press briefing, as quoted by Russian state media.

The comments are further worrying signs that Russia is trying to build a false-flag narrative, blaming Ukraine for the possible use of nuclear weapons, which is clearly intended as a threat to both Ukraine and its Western allies.

-ABC News’ Patrick Reevell

Oct 24, 2022, 9:04 AM EDT

Kremlin responds to rejections of its 'dirty bomb' claim

Russia responded on Monday to a joint statement from the United States, the United Kingdom and France rejecting Moscow's "transparently false allegations" that Ukraine is preparing a provocation with the use of a "dirty bomb" on its own territory.

"The thing is that their mistrust toward the information shared by Russia doesn't mean that the threat of the use of such a dirty bomb ceases to exist," Kremlin spokesman Dmitry Peskov said during a press briefing. "The threat is obvious. This information was shared by the defense minister with his counterparts, and now it is up to them to believe or not believe in it."

Oct 24, 2022, 8:39 AM EDT

Top Ukrainian general speaks out in exclusive rare interview

The commander of the Ukrainian Ground Forces warned that Russian President Vladimir Putin's threat to use nuclear weapons in Ukraine is real and that the West "should be worried," but said his country is nonetheless winning the war.

Gen. Col. Oleksander Syrskiy made the comments in an exclusive interview with ABC News' Chief Foreign Correspondent Ian Pannell in the eastern Ukrainian city of Kharkiv on Sunday. As the 57-year-old top commander of his country's land forces, Syrskiy has played a decisive role in turning the war in Ukraine's favor, first leading the successful defense of the capital, Kyiv, and then -- most recently -- masterminding the spectacular counteroffensive in the northeast that upended the monthslong conflict and threw Russian forces onto the defensive.

The rare interview, airing Monday on "Good Morning America," is one of the few times Syrskiy has spoken publicly at length and he described Ukraine's tactics, the importance of Western support, the threat of renewed attacks from Belarus and his determination that Ukraine will reclaim all of its territory, including the Moscow-annexed Crimean Peninsula.

Ukraine's successes, however, have been shadowed by the recent threats from Putin that Russia might resort to nuclear weapons to reverse the course of his war in Ukraine. Syrskiy told ABC News that he takes the threats seriously.

"We are and should be worried," Syrskiy said. "I do believe that such a threat really exists and we have to take it into account."

The commander of Ukraine's ground forces, Gen. Oleksandr Syrskiy, tells ABC News' Ian Pannell the world should be worried about Russian President Vladimir Putin's threat to use nuclear weapons.
3:52
Ukrainian general on Putin’s nuclear threat: 'We are and should be worried'The commander of Ukraine's ground forces, Gen. Oleksandr Syrskiy, tells ABC News' Ian Pannell the world should be worried about Russian President Vladimir Putin's threat to use nuclear weapons.
ABCNews.com

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